Hapkido is a Korean martial art practiced the world over. Characterized by joint locks, throws, and dynamic kicking techniques, it is unique among Korean martial arts (Taekwondo, Tang Soo Do) in its emphasis on deflecting an opponent’s attacks instead of forceful blocking. Hapkido is the “anti-martial art”.haracterized by joint locks, throws, and dynamic kicking techniques, it is unique among Korean martial arts (Taekwondo, Tang Soo Do) in its emphasis on deflecting an opponent’s attacks instead of forceful blocking.