Coins were minted in batches of 12 kan (approx. 45 kg), with the ore placed in a tomebashi (skull crucible) for melting and next collected by the yuiriyaku in a steel ladle for pouring into Chogin or mameitagin molds containing hot water.
取り組みの行われた地金を12貫を一吹として留鉢（坩堝）にいれ吹鎔かし常是手代湯入役が鉄柄杓で汲み上げ熱湯を張った丁銀および豆板銀の型に流し込んだ。