What are these things sitting on the shelf of a pawn shop?
When you think something cannot be made to serve another function, consider this: (click to biggify)
Even a simple walking stick or cane becomes a powerful tool in the hands of an adept. You know, what someone might call a broom handle.
The (jo)staff can be used to strike like a sword, sweep like a naginata, thrust like a spear (yari). Its two ends can be used, unlike the single point of a sword, and its ma-ai (fighting distance) can be varied according to the hand grip you take. Because of its speed and changeable ma-ai, it is a formidable weapon.
— Muso Shindo-Ryu Jodo