Categories Phillosoph Ninja Boating. Post author By Phillosoph Post date 20 August 2016 Yesterday I was watching an interesting video on tools used by historic ninja. At the start, almost as a throwaway comment the speaker mentions that the box he keeps them in also happens to be a boat! Rooted around a bit, and found a video of this ingenious device. ← Survival Heliographs: When the Sun Is Behind You. Part Two → Roman Tunica and Simple Clothing.