Triple Stick linked with Metal Chain

I you had seen Bruce Lee's movie, you definitely seen his trademarked stunning chained stick weapon. This triple sticks chained with metals, which is called "三节棍"。In Japanese martial art also having such weapon as well and it usually in double sticks and named "Nunchaku".
Double chained stick "双节棍" or "两节棍"(or triple chained stick, "三节棍") in traditional Chinese martial usually was much longer at what you seen in Bruce Lee movie.