Kusari gama, long combat chain - Ninjutsu

Kusari gama (Kusarigama), (鎖鎌), (קוסאריגמה, שרשרת קרב ארוכה), is a Japanese flexible weapon that has a weight in form of a ball or a ring on one side and a sharp weapon on the other side. The sharp weapon on the chain or rope can be a sickle (gama) or a Kunai.

Video of the throwing a basic flying knot with the long combat chain, kusarigama