Showing posts with label oxygen toxicity. Show all posts
Showing posts with label oxygen toxicity. Show all posts

Monday, May 16, 2011

Videoing porn during a 6 ATA dive


Looking toward the surface of Adolph’s training facility

Videoing in ‘The Well’:
When the Producer from Taryn’s Adult Media video crew (in town to video the ‘French Schoolgirl’ story) saw Adolph’s 200 ft deep training facility, which we call ‘The Well’, she decided to have the script rewritten to have The Well included in the video. It wasn’t as though there was a lot of dialogue to rewrite since the audio will be background music and the sound of gas being sucked through demand valves, moans and gasps of the copulating couple and roar of bubbles rushing toward the surface. The change worked out well since I wanted to give Gigi her first 200 foot (6 atmospheres) dive and she was going to help me clean up the debris, primarily contraceptive devices and bits of bondage apparatus off the bottom. The bottom was overdue for a cleaning since the last time Taryn and I had cleaned it was in December of last year and the debris hadn’t been picked up since.

Deep diving and Reflexions as a gas-guard: The Director wanted the obligatory underwater teen sexual encounter for this sort of video and since Gigi has had sex with Adolph several times and enjoyed him being rough with her we figured why not give her two bites of the apple and let her experience his style of lovemaking at 6 atmospheres and she was enthusiastic about the opportunity. She would wear her Reflexions gas-guard since 200 feet below the surface is no place for something to go wrong during sex. Returning readers will remember that the Reflexions flat spring diaphragm is the only style that can safely protect a diver below 10 meters (30 feet) since the rims of other styles will distort and cause leakage at depths below 30 feet. That isn’t usually a problem because there are so few training facilities deeper than 30 feet, but in my 68 ft deep pool and Adolph’s 216 ft deep facility Ortho or Milex diaphragms are useless below 30 feet. Of course an embolism is an embolism and is either extremely serious or fatal. It’s bad enough if an air bubble is forced into the vagina in water at any depth, but the deeper the woman is when that happens the larger the bubble becomes as it expands during her ascent. So if a woman’s gas-guard failed at a depth of 200 feet the bubble would expand to 5 times its size when it entered her bloodstream by the time she reached the surface, almost certainly assuring her death.

Adolph and contraception: Adolph is a very dangerous man for a woman to have sex with if she is serious about avoiding pregnancy. One of his favorite tricks is to provide ‘vitamin supplement’ pills to the female students sent to him for training. This supplement has a progestin receptor blocker in it that makes the woman’s hormonal birth control worthless. There is some initial withdrawal bleeding as her body adjusts to the lack of a continuous level of progestin which he explains away by saying it’s a side effect of altitude diving – his facility is 3,000 feet above sea level – and the extreme depth of his training facility. Not even women with traditional IUDs (Mirena and ParaGard) are safe because he will try to pull them out by the strings during a training exercise. While the wearer is menstrual, when her cervix is low and soft, she will rarely feel it being removed. That’s more difficult to do with a woman who has a Mirena inserted because 20% of them stop bleeding completely, but if he can reach the strings he can pull it out.

With the young ones who have recently had IUDs inserted it’s relatively easy for him to do and he’s getting better at it with practice. Adolph says that getting a trainee pregnant, even after the pregnancy is terminated, gives him a powerful psychological hold over her that no other domination technique will since she has experienced his ability to tamper with her reproductive biology which most young Subs don’t realize is possible until it happens to them. Most trainees he impregnates say that while they feel violated they find themselves bonding very closely with him. Perhaps that’s a little known aspect of the Stockholm Syndrome. In recent months he has had about a 20% pregnancy rate with the women sent to him for training. When they test positive He will send them to the casino’s reproductive health clinic for menstrual extractions which are much quicker and more effective than taking Mifeprex. The only IUD that Adolph hasn’t yet tampered with is the GyneFix which has no strings and which is implanted deep in the muscle of the fundus. Although, there have been GyneFix expulsions during intense cervical thrusting encounters that caused severe uterine cramping. The expulsions are thought to be because the device was improperly implanted. GyneFix expulsions have diminished almost to zero since new implantation techniques were developed several years ago.

Gigi has a GyneFix implanted so as far as pregnancy is concerned she is as safe as possible. And, Adolph agreed to leave her Reflexions gas-guard in place, which I insist on when he has underwater penetrative sex with me or any of the women in my inner circle. Even so, I went to the bottom of the well with Gigi, Adolph and the video crew breathing Trimix just to make certain he didn’t compromise her upper reproductive tract protection. The water is a constant 85° F and it took us a while to descend all the way to the bottom at 216 feet as we manipulated our masks to equalize the pressure. We all wore string bikinis weight belts and flippers – including the camera crew - except Adolph who was in a Slingshot. We used Adolph’s deep dive gear. Ocean Technologies Guardian FFMs equipped for Trimix and a Trimix blend of 19/30 in Worthington HP steel X8-130 twin sets with a tank cluster of 100% oxygen pre-positioned at our 40 ft. deco stop accessed by a quick disconnect to a gas block switch worn on the tank harness waist belt.

FFMs for deep dives: The importance of a using an FFM for deep dives and dive-sex can’t be overemphasized. For dive-sex if it gets rough for the woman having her cervix rammed can cause her to expel her reg at best that interrupts the moment. At worst she ingests enough water that she needs to terminate the dive. The other reason a FFM is so important is in case of decompression sickness (DCS) or oxygen toxicity where the diver might pass out or have a seizure and expel his/her regulator and it may be impossible for a dive buddy to get the reg back in his/her mouth. That is a very common cause of dive fatalities especially where the ascent will take too long for there to be a reasonable chance of survival w/o being able to breathe. The only down-side to using FFMs during dive-sex is that it’s impractical to give cunilingus or fellatio while using one.

We didn’t dive for two days before the 6 ATA dive to minimize our nitrogen loading so we could stay down as long as possible and we took a Divemaster who was responsible for the dive safety of all the divers so we could pay attention to what was happening as far as the video storyline and the cleanup were concerned. On the bottom Gigi shed her fins, weight-belt and tanks (which she kept right beside her) and straddled Adolph who was on his back lying comfortably on the padded twin-set tank harness while the tanks were broad enough to provide a stable base for a penetrative encounter. She helped him out of his cup and he was already massively erect. She checked the position of her gas-guard and her lube, nodded and lowered herself onto his erection and gasped when he entered her.

We had talked about how she should take him before the dive and she followed my suggestion. She wrapped her legs around his hips and tightening her legs pulled herself further on to his shaft a bit at a time until he was fully inside her. She said later that she was afraid he would be able to hit her cervix, but she has been thinking how much fun it would be getting pumped full of highly motile German sperm 200 feet below the surface and had psyched her self into nearly full arousal while we were still descending. Once she found he wasn’t able to hurt her she bore down forcing her cervix to push against the tip of his shaft through the stretchy latex membrane of her gas-guard – just to show him he was very close, but unable to reach her prize on his own. With her strong vaginal muscles she was able give herself G-spot orgasms and get them both off several times while the camera crew was recording the encounter. I’ve rarely seen Adolph as exhausted after a sexual encounter, but Gigi tired him out which she and I were very pleased about because shortly after she pulled herself off him he started his ascent leaving us to collect the contraceptive and BDSM debris off the bottom and the camera crew to record it for a ‘behind the scenes’ segment for the blue-tooth version of the video.

Discarded contraceptives inventory:

Ortho latex Coil spring diaphragm: two, 70 & 75mm with tears in the dome
Latex Ortho coil spring diaphragms: two 65 mm one of which had a tear in the dome.
Silicone All-Flex arcing spring diaphragms, six of various, but mostly 65 mm sizes two of which had punctures in the domes.
Cooper Surgical (Milex) Omniflex silicone diaphragms: three a 65 mm and 70 mm
Reflexions latex flat spring diaphragm: five 70 and 75 mm.
FemCaps: four one small 22 mm and three mediums size, 26 mm
Prentif Cavity rim cervical caps: one 22 mm.
Oves cervical caps: three a 26 mm and two 28 mm
ParaGard framed copper IUDs: four, two with bent frames
Mirena, IUD: 1 with a bent frame
FC1 condoms: 2
FC2 condoms: 23
Filled DiveGel applicators: 4
Empty DiveGel applicators: 45
Filled Semécide applicators: 2
Empty Semécide applicators: 54
Filled Conceptrol spermicide applicators: 2
Empty Conceptrol spermicide applicators: 7

From the Number and type contraceptive products we found it seems clear that women being sent for training at a facility deeper than 30 feet are still not being told that if a diaphragm was to be used for training only a Reflexions flat spring latex diaphragm would provide under-thrust and distortion free protection down to at least 200 feet. I’ve told Adolph I would check the fit of his trainees gas-guards and give them a Reflexions to properly protect themselves (Adolph has an account with our clinic), but he seems to like to let most of the women take their chances, knowing any gas-guard other than Reflexions, or a FemCap, used below 30 feet will be ineffective. The only positive thing in this last inventory is that no GyneFix implants totally dislodged while their wearer’s were in the water.

Bottom sweep conclusions: As before the previous bottom sweep inventory all the women sent for training in the past 5 months are adults, tall, beautiful and slim. Therefore, it seems likely that the 65 mm silicone All-Flex devices were too small (under-sizing is a common mistake made by inexperienced fitters) making them easier to dislodge and expel. The number of full lube and spermicide applicators on the bottom suggests that the women were nervous about being in training and not confident about the use of vaginal applicators. Additionally, a lot of their diaphragms or caps are being either expelled or intentionally pulled out by their partner/instructors. That being the case one hopes they are being removed after providing protection as gas-guards during dive-sex since upper reproductive tract protection from a pelvic infection by pool water or an embolism is vital to the woman’s safety.

A contraception failure is a different matter entirely since it can be taken care of easily with emergency contraception especially since Ella is now available in the U.S. And pregnancy at least through the 8th week with Mifeprex or later by vacuum extraction so while it might put the woman in a moral quandary she has options readily available. That isn’t the case if she gets an embolism because her gas guard was pulled out during dive-sex before she was penetrated or it was under-thrust.

The ascent: After we cleaned up the bottom our ascent was uneventful. During our 20 minute deco stop at 40 feet breathing O2 the camera crew and I all masturbated to take care of our arousal from watching Gigi and Adolph fuck each other’s brains out. Gigi really enjoyed her encounter with Adolph because of the depth at which it occurred – she found breathing Trimix ‘awesome’ - and because he let her be in charge and she loved that from a man who can be so demanding and brutal most of the time. We both knew he was doing that for the camera and she probably won’t find him that easy to control again.

Monday, April 25, 2011

Entonox as a fetish gas


An Entonox cylinder with hose and mouthpiece

Entonox:
A friend on the West Coast has been asking about my experience with Entonox. Entonox is nitrous oxide mixed 50:50 with oxygen and is a commonly used method of obstetric analgesia with maintenance of consciousness. It may also be used in the setting of minor procedures in the trauma department where transient analgesia is required. It is most often administered via a demand valve for self administration. A safety feature is that the mother controls administration.

Entonox takes 30 seconds to act and continues for approximately 60 sec after inhalation has ceased. For optimum effect in obstetric patients inhalation should start when the contraction tightens to co-ordinate the maximal effect with the central painful part of the contraction. There are minimal cardiovascular, respiratory or neurological side effects. It should not be used in patients with a pneumothorax or by SCUBA divers within 24 hours of their last dive.

The Medical Gas Data Sheet for Entonox: The MGDS for Entonox cab be found at: http://www.bocsds.com/uk/sds/medical/entonox.pdf some of its cautions are:

Entonox should not be used for more than a total of 24 hours, or more frequently than every 4 days, without close clinical supervision and hematological monitoring. Entonox is non flammable but strongly supports combustion and should not be used near sources of ignition. It will cause substances to burn vigorously, including some materials that do not normally burn in air due to the high concentration of oxygen within the mixture. It is highly dangerous in the presence of oils, greases, tarry substances and many plastics due to the risk of spontaneous combustion in the presence of oxygen in relatively high concentrations. Smoking should be prohibited when using Entonox.

Where moisturizing preparations are required for use with a facemask or in nasal passages, oil based creams should not be used. Check that hands are clean and free from any oils or grease. Where alcohol gels are used to control microbiological cross-contamination ensure that all alcohol has evaporated before handling Entonox cylinders or equipment.

Entonox and Lactation: There are no known adverse effects to using Entonox during the breast-feeding period, which I was glad to learn.

Entonox availability: Availability is tightly controlled because it is a potentially dangerous anesthetic gas. My supply comes from the large women’s clinic owned by the casino I work for which has a license primarily for obstetrical use and a small clinical trial ‘for the relief of cervical discomfort during intense intercourse with physically mismatched male partners’ using escort candidate trainees as the study population. The St Lucy’s supply is licensed for: ‘Physiology laboratory studies of intimate feminine pain during intercourse’, which is basically the same study, but with sexually active St Lucy’s girls. Nothing like telling it like it is! Even so, for personal use Entonox is difficult obtain so it’s a special treat to use when a cylinder of it becomes available.

A warning to the adventuresome: For safety reasons Entonox should NOT be used as a gas while SCUBA diving. That’s because the gas can collect in cavities in the diver’s body leading to decompression sickness (DCS) and below 60 feet there is a greatly increased risk of oxygen toxicity. However, for those who are willing to accept the risks of DCS to try Entonox while diving there are some equipment requirements. Always dive with a buddy who is not using Entonox so that if the Entonox user gets in trouble there will be someone to get him/her to the surface. Because of the high concentration of oxygen in Entonox the SCUBA FFMs used should be at least Nitrox 40 compatible so the effect on valves and seals of the second stage reg from the highly reactive oxygen will not be too rapid. Frequent maintenance of dive gear used with Entonox is highly recommended. Dosing requirements on Entonox can vary greatly depending on the weight and metabolism of the user so self administration is the best dosing regimen rather than supplying it directly through a SCUBA type regulator which may provide too little or in a few cases too much.

Entonox for fetish use: It’s not clear to me if it’s safe to use surplus rubber gasmasks with Entonox. My guess is that it’s not due to the reactive nature of the high oxygen content of the gas. New polycarbonate gasmasks like the Mestel SGE 400 and Nitrox capable SCUBA FFMs like the Ocean Reef Space Raptor used with Entonox must be cleaned of all oils and greases and all oily moisturizers and cosmetics should be removed from the faces of users before donning a mask to breathe Entonox to prevent the possibility of the mixture combining with the oils and spontaneously combusting inside the mask. Rubber enclosure suits should be tested for use with Entonox - before being worn for an Entonox encounter - to determine if the rubber material and latex cleaners and polishes can be used safely with high concentrations of oxygen even though the suit itself may not be pressurized by the gas.

Entonox at St Lucy’s: I don’t hold Entonox dive-labs for St Lucy’s girls because of the considerable danger involved, though some do get to experience the anesthetic effects of Entonox while wearing special medical grade silicone encasement suits for penetrative sex with extremely well endowed men – as covered under the school’s clinical trial protocol. That’s why they need self administered Entonox, to minimize the pain from having their cervixes rammed by a man who is a bit too large to be a safe partner for them.

In order to participate in the Entonox encasement suit sex-lab each student must be using an effective contraceptive method other than hormonal contraceptives and an Entonox lab participant must have a signed waver from her parents or guardian. The reason for excluding students using HCs is that women on HCs have difficulty becoming aroused and that means their vaginas don’t lengthen (tent) so they are at greater risk of having the ligaments holding the uterus in place torn by a large ramming penis (especially when using Entonox to mask the pain when that is occurring) Torn major support ligaments will cause it to drop and the cervix to be at the entrance to or protruding from the vagina. There is an operation that can reattach the uterus where it originally was, but it isn’t particularly successful as the ligaments that were originally torn don’t contract as much to cause the uterus to pull up and out of the way of a thrusting penis, which is similar to the hormonal contraceptive side effect that caused the original problem. Most students have GyneFix IUDs implanted or use cervical barriers so that doesn’t exclude too many students.

At St Lucy’s the students wear Ocean Reef Space Raptor FFMs that have been upgraded by the schools Divemaster for use with Entonox. The woman’s primary air is supplied from a standard SCUBA cylinder of Nitrox I – to ensure there are no reactive contaminants in the gas - on a trolley by the student’s lab-bed with the Entonox being supplied directly from a separate Entonox cylinder into the masks oral nasal unit through the drinking port by means of a standard self administered demand valve.

NuvaRing dive-sex and the diaphragm: We try to discourage use of NuvaRing by women, especially very young or petite women, wanting to learn dive-sex techniques. That’s because if worn in a gas-guard / diaphragm that is less than 70 mm in diameter the ring can interfere with the seal of the gas-guard. That’s because NuvaRing has an outer diameter of 54 mm and a cross-sectional diameter of 4 mm and it has to fit inside the dome with the cervix and if the ring is caught in the anterior fornix it could be pushed under the anterior rim of the diaphragm breaking the seal and causing it to leak and making it more likely that the diaphragm can be under-thrust. The ring can be removed for up to three hours w/o decreasing the woman’s contraceptive protection, but encounters can go on longer than that or the woman forgets to reinsert and then when she reinserts she has to wait 7 days for her hormonal protection to be reestablished.

Watching Aimée get drilled: It’s always a treat watching Doug pole a small woman and seeing him penetrate Aimée was no exception! Especially since it was her first time being taken by him and she was wondering to me - before their encounter - if she could take a man with a root that thick. She’s used dildos the same size or thicker, but with those she had total control of the depth and angle of thrust so she was a bit apprehensive. I told her she would be fine as long as she could take 6 inches w/o being uncomfortable and she assured me that recently she had been able to comfortably take 6 ½ so I told her she should be fine, and she was.

I told the girls I would stay out of their way, and I did. I didn’t say I wouldn’t watch which I did on the HD ‘security’ cams positioned so they make awesome porn videos of couples in the guest suites. Would I do that? Absolutely! The videos are not for sale, just kept on file in case a participant becomes a problem and I need leverage. I loved how Doug put several hard pillows under her buns to lift her pelvis because she is tiny like me and how Aimée adjusted her hips as she spread her labia to let Doug insert two fingers to check her lube. This was the day before she got her GyneFix and was still on Cerazette and she was dry. He inserted a 10 ml prefilled applicator of DiveGel to lube her then positioned the tip of his root to penetrate her. He held her hips and with a single long thrust all 6 inches of his shaft disappeared into her hard flat belly as she arched her back, threw her head back gasped and moaned. Doug is really good with G-spot orgasms and my labia were engorged and parted, my nipples and clit became erect and my natural lube wet my thong from watching Doug take her to a shuddering, gasping then screaming climax. I jilled-off caressing my left nipple with my right hand and the shaft of my clit with my left and came as he shot his wad filling her with his seed. This week Aimée has really enjoyed being away from academic subjects and being able to concentrate on perfecting her sexual techniques.

When she took other, longer, men – the girls swapped partners occasionally during the week - she used the woman astride position until she was sure how much of them she could safely take. That way she could control the depth and angle of penetration with her legs. All three of the couples needed full body massages after each full day of multiple acts of intercourse to sooth sore muscles in their thighs and abdomens. The intensity of the young women’s appetites for penetrative sex surprised the men they were partnered with as their stamina was put to the test. The girls are sad to be returning to there standard school day after Easter Monday.

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Powys , Wales, United Kingdom
I'm a classically trained dancer and SAB grad. A Dance Captain and go-to girl overseeing high-roller entertainment for a major casino/resort