What is "kaupinam"

Kaupinam ( Devanagari: कौपिनम), kaupina ( Devanagari: कौपिन) or langot ( Devanagari: लंगोट) is an undergarment worn by Indian men as a loincloth or underclothing. It is made up of rectangular strip of cotton cloth that is used to cover the genitals with the help of the strings connected to the four ends of the cloth for binding it around the waist of the wearer. It is used by wrestlers in the game of kushti or traditional Indian wrestling in the akharada (wrestling ring) and during practice sessions and training.