The protein collagen is the major component in structural tissue in the body, including in the penis. Excessive amounts, however, form scar tissue, which can impair erectile function. This would have been the fate of those rats that used finasteride.
I do not believe that this is what is occurring because no one that I know here has complained of ED from the exercises. I wouldnt suggest to anyone that if they arent gaining then its because they dont pull hard enough. Exactly how hard do you want them to pull?
I made my 1/2 inch in just over a month from light stretches of the tunica only. No downward stretches at all because I believe Bib’s Lot theory may be correct.
If this IS what is happening then I want no part of it. You are talking about radically destroying the smooth muscle to get gains. I am assuming this will infuriate the senior members here but if you search the web, youll come up with the same answer. Instead of just listening to one source, educate yourself.