According to the above mentioned "Azuma Kagami," during the topping-out ceremony of the treasury hall of Tsurugaoka-wakamiya Shrine held on July 20, 1181, Yoritomo ordered Yoshitsune to pull the horse that was to be given to the carpenter.
同じく『吾妻鏡』によると、養和元年（1181年）7月20日鶴岡若宮宝殿上棟式典で、頼朝は義経に大工に賜る馬を引くよう命じた。