This article presents some of theories as to the origin of the sai according to Okinawan sources, and descriptions of its fabrication and symbolism. The sai techniques in this article are those originally taught by Matayoshi Shinpo to Nishiuchi Mikio, President of the International Okinawa Kobudo Association, U.S.A.
SOURCE: Journal of Asian Martial Arts, Vol. 4 No. 1 (1995): 16 pages.