According to Aristotle, there are two ways to prove a thesis: 1) via deduction, or 2) via enthymeme (or, example). I could, on one hand, cite many dozens of hangers, who, practising the art carefully for years, have secured gains that would be very much more difficult (or impossible) to obtain vis-a-vis manual stretching alone. I should also say that, none of these people have experienced problems, but, indeed, have enjoyed virility which they didn't possess prior to their hanging regimins. According to pioneers such as BIB, hanging, if practiced mindfully, is perhaps the safest form of Penis Enlargement for a myriad of reasons which I will not enumerate here.