Mawashi
Rikishi (sumo wrestler) wears a thick belt made of silk that is about 10m long, repeatedly wrapped around the rikishi and fastened in the back by a large knot. It is tied very tightly so that the wrestlers may lift up each other with better grip during many maneuvers.
Sagari
Rikishi also wears decorative tassels made from the same material as the mawashi.