For the dohyo ceremony, three sumo gods (Takemikazuchi and other two gods) and seven Heisoku (offerings of rope, paper etc.) are decorated at the center of the dohyo, together with rice wine, rice, salt, etc.
内容は土俵の真ん中に日本酒、米、塩などを封じ、相撲の三神（タケミカヅチ他2神）と弊束を7体祭る。