It's a 9 by 2.5. I started with a 2.25 but out grew it quickly. I can't use it at all with my base girth.
Just over one hour. 11:38.
This a year old, when I could still fit in a 2.25 diam x 9.25 long tube.
I have to use a 12.0 x 2.5 now, I'd shatter the cylinder with my 8.5+ base girth.
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How much time do you do with this pressure?
After I gradually cycle the vacuum higher over at least a half hour, going to a pressure and holding it for 30 seconds, then releasing and repeating, when I finally get to -20+Hg, I hold it for about 20 seconds, release and repeat.
Have to pay close attention, blisters can pop up quickly, at the first sign I quit.
I got it how you do, PUMP + ULI for girth and lengh. Do you have any good type device for strech?
I searched in some places, bought some materials but they don't worked very well the grip near to the head.