What is a jock strap for?

A jockstrap is a supportive undergarment typically worn by athletes and sports players to protect and support the male genitalia during physical activity. It consists of a waistband, usually elastic, and a pouch to hold the genitals in place. Jockstraps are designed to provide protection, comfort, and support while allowing for freedom of movement. They are commonly worn during sports such as baseball, football, hockey, and martial arts, as well as in other physical activities like weightlifting or biking. Jockstraps come in a variety of styles, materials, and sizes to suit different preferences and needs.