《太平广记·卷二百二十九·器玩一》
待到宝剑冶造成了，工匠们宰杀猪、牛、羊三牲。用三牲的血涂剑祭祀。
及乎剑成，杀三牲衅祭之。
When the sword was cast, the craftsmen slaughtered pigs, cattle, and sheep. Use the blood from the three animals to smear the sword for sacrifice.