It is worn by young Sikh boys to cover a small topknot called joora.
[1][2] Patka is usually a square piece of cloth with four strings attached at the corners for tying.
[2] A different way of wearing a patka is used by sportsmen: covering the head but not tying the joora.
[3][4] In 2014 there was a row with FIBA about two Sikh Indian players, Amritpal Singh and Amjyot Singh wearing patkas during the FIBA Asia Cup.
[6] In 2018 Indian wrestler Jashkawar Gill was denied the participation in a tournament in Turkey for his refusal to replace his patka with a women-style tying of hair allowed by the United World Wrestling rules.