Hapkido Weapons Vol. One The Knife Techniques Dan Kum Sul.
Seoul, Korea: World Hapkido Federation, 1988. First Edition. Paperback. 25.5 x 19 cm. 206 pp. Extensively illustrated. Volume 1 only. More
ESTABLISHED IN 1965
Seoul, Korea: World Hapkido Federation, 1988. First Edition. Paperback. 25.5 x 19 cm. 206 pp. Extensively illustrated. Volume 1 only. More