I have seen it time and time again, and it has happened to me twice. The dreaded water blisters from vacuum hanging. No one is safe from these things if they are hanging unintelligently. They take about a week to heal, and if the skin peels off, OUCH! It's a horrible pain, especially when your piss leaks into the wound.
I'm tired of seeing so many threads here and at ThundersPlace so I decided I'd let everyone know what I do to help prevent them(has been 100% effective so far, if I still get one, trust me, I'll make a big post about it).
First off, what causes water blisters? Friction/pressure is what causes a blister, and a moist environment breads the water type of blisters. So why is this relevant?
Well, all vacuum devices cause there to be moisture that evaporates from the "atmosphere" within the vacuumed device. In a
penis pump, you can see the moisture evaporating on the sides of the tube. It is like this with all vacuum devices, including hangers. This is the FIRST problem(and most dangerous).
Secondly, friction/pressure causes blisters. Too much vacuum pressure and/or slippage(friction) would be enough to produce a blister.
Because your penis head is in an environment that is moist by default, your chances of getting a water blister is pretty high. The only thing needed for a water blister to form is putting too much pressure in the chamber and/or having the penis head slip across the sheaths(sliding).
The two times that I have gotten water blisters was when my penis slid, just a little, from the sheath. I'm not sure if a blister was formed immediately or not, as I hung about 30 minutes in that slipped position, which is not a good idea.
Now, what are some good ways to prevent water blisters?
The one tried-and-true device that I use to prevent water blisters is self-adhesive sports wrap. I'd recommend the 3" wide ones, but 2" does fine(unless you have a really long head). These rolls of wrap are amazing. Not only do they absorb the moisture(reducing most of the risk from moisture), they help keep the penis head from slipping in the sheath(if you use monkeybar's vac hanger or TheGRIP). Ever since using this before I hang I have not had ANY moisture buildup and NO slippage. Also, you can reuse these strips time and time again. They only stick to themselves, and nothing else. TheGRIP guys recommend this to everyone who buys their products, as they send a roll of Co-Flex Sports Wrap. I just buy the CVS 2" Self-Adhesive Sports Wrap, it's like $3. Works like a charm.
All you do is wrap is lengthwise around your penis head, making sure to snug it under the coronal ridge. Then, with the extra "slack" on the top of the wrap, mash it together onto a point on top of your penis head tip. This should totally encompass your whole head with the wrap, leaving nothing open to the outside.
I have found that this has been very effective so far in preventing water blisters. Also, it helps prevent fluid buildup.
Another option might be to add a heat source(like a heat pad) while vacuum hanging, as using one when penis pumping pretty much eliminates the condensed moisture on the outside of the tube. I have not tried this, but I'm sure it'd help a lot, too.
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