Originally Posted by LarrySellerz

the back tire has a visible gash where air hisses out from, it can be quite loud. I pump it to 100, place the leak at 12 o clock, and grab the tire firmly at 10 and 2 o clock. I bring my hands together, trying to force the rubber to flow. Astonishingly, this makes the very audible leak disappear every time! I have heard rubber described as a marshmallow, it flows like a liquid, I think this is why the leak slows.