As for the container for gunpowder, the regular one was the cylinder type of five to eight centimeters long and after pouring the gunpowder into the barrel and letting go of the container, it hangs down from the waist naturally and the spout is covered with a cap.
この口薬の容器は長さ5-8cmの水筒型が定番であり、火薬を注いだ後、手を放すと自然に腰にぶら下がり、キャップが注ぎ口に被さる仕組みになっている。