A loincloth is a piece of cloth or leather that covers the genitals, and sometimes the buttocks. Usually, it is held in place by piece of string or a belt. Loincloths have been used all over the world. A G-string is a modern version of a loincloth.
A simple loincloth
The loincloth is held in place by a leather strap
A traditional dance in Cameroon. The dancer is wearing a loincloth