Putting up a shield and a spear with four prongs in front of the gate of Daijo-gu (a temporary shrine prepared at the Palace for Daijo-sai festival) by the established military clans, the Mononobe clan and the Otomo clan was a traditional practice in Daijo-sai festival.
古くからの軍事氏族である物部氏と大伴氏が大嘗宮の門の前で楯と鉾を立てるのは、大嘗祭の恒例であった。