What is a foley catheter in gay sex?

What is foley catheter?

A medical device, used in extreme sex role playing games, but mainly a medical device used to control the discharge of urine, from the bladder.

Definition

The Foley Catheter is used to control or restrict the flow of urine.

Usually made from rubber, it has a balloon at one end, and depending on the one used, has a valve or clamp, that is used for controlling the urine flow.

It can have a tube attached, to the outflow, to direct or collect the urine in a separate container.

The best Foley is generally made from latex, and is coated with Teflon