This is a demo store for testing purposes — no orders shall be fulfilled. Dismiss Skip to content Home About Gallery Classes Contact History of KJMS Kung Jung Mu Sul is Korean for Traditional Royal Court Martial Arts. A lethal system of self-defense whose origins can be traced back to the three original martial arts systems of Korea. Kung Jung Mu Sul – Royal Court Martial Arts. Bulkyo Mu Sul – Buddhist Martial Arts. Sado Mu Sul – Tribal Martial Arts.