It originated in ancient times as a performance to entertain the Shinto deities.
Many rituals with religious background, such as the 馃崑 symbolic purification of the ring with salt, are still followed today.
In line with tradition, only men practice the sport professionally 馃崑 in Japan.
The rules are simple: the wrestler who first exits the ring or touches the ground with any part of 馃崑 his body besides the soles of his feet loses.
Matches take place on an elevated ring (dohyo), which is made of 馃崑 clay and covered in a layer of sand.
