Biomechanics of the Penis Pump
See more » Sex toys
If you are thinking about buying a penis pump then please go read the entire article.
… The medical literature, however, does not support the idea that vacuum constriction will produce a lasting change in penis size.
If anything, overuse of the pump can damage the penis. The American Urological Association recommends only those devices that come with a “vacuum limiter” …
Well, they can help you get an erection.
