Hapkido: a Korean martial art which uses joint locks, kicks, punches, and other striking attacks.
Weapons such as sword, nunchaku, rope, cane, and staff are also used, although their emphasis varies.
Hapkido focuses on using circular motions, non-resisting movements, and control of the opponent, using footwork and body positioning to gain leverage and avoid strength against strength.
Although aikido and hapkido are thought to share a common history, they differ significantly in philosophy, range of responses, and execution of techniques.
Yongmoodo: a self-defense & martial arts system based on traditional Korean martial arts skill. The purpose of Yongmudo is as a part of promoting ideology of Yong-In University, to reestablish the phase of Korea Martial-art and to devote to build superior.