Bom Bom Bakudan!

"According to the demands and needs stated by his majesty, I have been dedicated to work on a safety kind of storage for gun powders in the last three years ago with my employees and disciples. As you all know, the previous gun powders must be used within a time span of eighteen months after being composited, if not it might pose a severe safety hazard when being kept for too long either becoming hard to control or might lose its functionality. Most importantly, the old gun powders must be used through those metal shells, a bit of violent shaking or misbehaviour during carrying can spoil its mood and detonates its content…."