A throwing knife is a knife that is specially designed and weighted so that it can be thrown effectively. Throwing knives are used by many cultures around the world, and as such different tactics for throwing them have been developed, as have different shapes and forms of throwing knife.
The nunchaku, "nunchucks", is a traditional Okinawan martial arts weapon consisting of two sticks connected at one end by a short chain or rope.
The two sections of the weapon are commonly made out of wood, while the link is a cord or a metal chain.
The sai (釵) is a traditional piercing melee weapon used in Okinawa. The basic form of the weapon is that of a pointed, prong shaped metal baton, with two curved prongs (yoku) projecting from the handle (tsuka).
There are many different types of sai with varying prongs for trapping and blocking.