Ninja Kaginawa is a type of grappling hook by the Norrisville Ninja.
It is also used as a tool in feudal Japan by the samurai class, their retainers, foot soldiers and reportedly by ninja. Kaginawa have several configurations, from one to four hooks. The kagi would be attached to a nawa of varying length, and this is then used to scale a rather large wall.
- Randy calls the weapons are "Ninja double hook." in "Wave Slayers".