In samurai families, mochi or rice cakes offered before the ceremonial display of a suit of armor would be cooked in zoni and eaten, and this event was held to celebrate 'hatsuka (blades and hilts)."
武家では、鎧などの具足に供えた具足餅を下げて雑煮にして食し、これを「刃柄（はつか）」を祝うといった。