Cock rings are designed to help increase your erection by controlling blood flow. Usually placed at the base of your shaft, cock rings stop the escape of blood creating an increase in penis size, a harder erection, and, of course, heightened sensitivity. If you really want to keep it up, try a cock cage to "trap" your erection, enhance stimulation, and have an experience you and your partner won't soon forget. Feeling kinky? We like that. Check out our chastity cages to learn some - let's say - self-control.