Sumo Dohyo (Ring). With 2 Standing Spots. Please Try It Before You Buy! No Refunds!! Please Leave Reviews Below And Concerns On My Page. "Osu No Seishin". Dohyo, when referring to actual tournament dohyo; about 30 tons of weight, 540-540 cm of dimensions and 60 cm of height, made by the yobidashi out of special clay that has some sand in it, a sacred arena under tsuriyane bordered by half-embedded hyo on which the torikumi are fought, sometimes mistaken for the brink of the dohyo circle, the tawara; see Arakawa, Arakida, toku-dawara, kengamine, fumi-dawara, joubu-dawara, kado-dawara, soto-dawara, janome, dohyo matsuri, nijuudohyo. Even the fighting area of Grand Sumo is interesting. It is made of hard packed sandy clay from Arakida, Ibaragi Prefecture. In the center of the dohyo are buried six things: torreya nuts, washed rice, chestnuts, kelp, squid and salt. A Shinto priest blesses the ring, and it is considered holy ground. No woman may stand upon a dohyo. The current dohyo size was set in 1931.