Joint Manipulation Technique 1
(Kwan Jyel Sul)
Joint manipulation techniques (kwan jyel sul) can be found in almost
every style of martial arts and is required for advancement to black belt in
such arts as Hapkido, Tae Kwon Do, Aikido, Jujitsu, etc.
You will find an impressive assortment of kwan jyel
techniques in Grandmaster Benko's book and video collection.