In the event that three kaishakunin were present, the 'kaishaku' (also called 'daikaishakunin') would be responsible for severing the head, the 'tenkaishaku' (also called 'jokaishaku' would serve to bring the shiho (a sanbo Shinto offering stand with four holes) on which the tanto (knife) is placed, and the 'shokaishaku' would present the severed head for inspection.
それぞれ、3人の場合、首を打つ「介錯」（大介錯ともいう）、短刀をのせた四方（4つ穴のある三方(神道)）を持ち出す「添介錯」（助介錯ともいう）、首を実検に入れる「小介錯」の三役である。