Well, jocks wear them. (athletes) The correct term is athletic supporter. They have an elastic sack with elastic straps to hold them in place. They support a man's testicles - it can be painful if...
1) Make sure you have a jock strap that is specifically designed for a cup. 2) Insert cup into jock strap narrow end first. 3) Pull on jock strap (with cup) as you would a pair of briefs. 4) Adjust...