While the game has captured some of the more commonly known tools of the Ninja, I have come across some of the more esoteric tools and techniques to help fill out the arsenal of the stealth artists
Tsui-giri: Large Picks about a foot long consisting of a wooden handle and a long thin, tempered metal spike that could be used as a weapon as well as for quietly carving spying holes in walls.
Torinoko: Smoke bomb. Gunpowder wrapped in a paper much like a firecracker with a paper fuse. Coul