Hapkido (UK: /ˌhæpkiːˈdoʊ/ HAP-kee-DOH,[4]US: /hɑːpˈkiːdoʊ/ hahp-KEE-doh,[5] also spelled hap ki do or hapki-do; from Korean hapgido [hap̚.ki.do]) is a hybrid Korean martial art. It is a form of self-defense that employs joint locks, grappling, throwing techniques, kicks, punches, and other striking attacks. It also teaches the use of traditional weapons, including knife, sword, rope, nunchaku (ssang juhl bong), cane (ji pang ee), short stick (dan bong), and middle-length staff (joong bong), gun (analogous to the Japanese jō), and bō (Japanese), which vary in emphasis depending on the particular tradition examined.
Source: Wikipedia