Discover various penis exercises that are proven to help increase sexual stamina and penis size.
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Keigel, hope I spelled it right. How do I know I'm doing it right? Should my nads flex or am I to isolate the ground muscle? I've been told to try to stop urination and that would be the action I want. But I've also been told that can cause problems. So please feel free to enlighten me on and known facts.