Protection of the groin (also shell, shell) is an indispensable element of protection for a hockey player , kickboxer . It is a plastic sink of a special shape. Designed to protect the inguinal region (mainly genitals ) from various injuries . Depending on the design, it is fastened with special straps or built into special shorts worn under protective shorts. Depending on the size, there are two types - adults and juniors. There is also a female type of shell.