While Amaterasu (the Sun Goddess) was hiding herself in a cave (Iwadokakure), Tajikarao was staying at the side of the cave and, when Amaterasu peeked out, he pulled her out of the cave ('forcing the rock wide open' according to "Nihonshoki" and "Kogo-shui" - History of the Inbe clan),
岩戸隠れの際は岩戸の脇に控えており、アマテラスが岩戸から顔をのぞかせた時、アマテラスを引きずり出した（『日本書紀』の一書や『古語拾遺』では「引き開けた」）。