Viltrex Powflex Male Enhancement Reviews - But they probably won’t recommend surgery to increase your penis length or width. Some people use a clamp or ring to try to stretch and elongate their penis. To use one of these devices, you place it around the base of your penis after you’ve developed an erection. It’s meant to prevent blood from flowing out of your penis. Vacuum pumps, or penis pumps, are sometimes used to treat erectile dysfunction.