I have not used one, but I had a girlfriend who had and used a pump on her clitoris and nipples. She was very careful when pumping and did no damage that I know of. With regard to penis pumps, claims of curing erectile dysfunction and permanently enlarging the penis are false. Don't consider a product or seller who makes these claims. However, if used carefully, there is limited risk of injury, it may help facilitate penetration for some with weak or unreliable erections, and it will temporarily enlarge the penis. Temporarily is the key. Think minimal growth for minutes, not a major change that lasts hours. In this internet age, it is always wise to see what respected health care institutions say, so I offer this url that is a recent article on the subject from the Mayo Clinic. Penis pump - Mayo Clinic If you have erectile dysfunction, consult your doctor or ask for a referral to a urologist. If you just want a bigger erection and can get and maintain erections normally now, I advise against using one becaue you may do lasting damage, but the risk/reward calculation is one we must each do for ourselves.
