a cock ring is a ring that slips around the penis, it helps the guy hold the erection longer. they come in all different types, you can get one with viborators on the end, and stuff like that, but those are for the girls benefit!!

Cock ring is a term for any number of small rings or bands which are placed at the base of the penis prior to erection. These can be made of any number of materials such as leather, rubber, latex, etc. The purpose of these items is to restrict blood flow of the penis. This usually means that the blood flows into but not outof the penis, which causes a larger and generally harder erection. Because of the strain on the penis this will usually cause the male to need more time to orgasm or ejaculate. It is not recommended to wear one for any longer than around half an hour as prolonged use can cause damage to the tissue of the penis. Most cock rings are "one size fits most" but some of the stiffer materials may require measurements for a safe and comfortable fit.

A cock ring or cockring is a ring that is placed around a man's penis, usually at the base, primarily to slow the leakage of blood from the erect penile tissue, thus maintaining erection for longer. Cock rings can be worn around just the penis or penis and scrotum, or just the scrotum alone, though this is usually designated as a testicle cuff. Rings can be made of a variety of different materials, most commonly leather, rubber, or silicone, though nylon and metal are also used either as the main component or part of the closure. A man may wear a cock ring because he has erectile dysfunction (ED) or otherwise wants to prolong erection, as a sex toy because he likes the particular sensation of tightness and extreme engorgement that wearing one provides, or as jewelry, simply for the appearance. When used for ED, a vacuum pump is used to produce an erection in spite of vascular or nerve damage, and the ring slid off the pump's cylinder onto the base of the penis to maintain the erection. Some models include a protruding clitoral stimulator, designed to tickle the clitoris, vulva or anus during sex. Others, such as the Vibrating ring, vibrate, either vibrating the ring itself, or in a popular 'Dolphin' variant using two removable bullet vibrators to provide stimulation to the testicles and clitoris. Some cock rings have vibrators attached which can be worn to stimulate the scrotum or perineum or a partner during sexual intercourse. Another variation is an inflatable cock ring for added control of adjustment.