Kobudo
It is a popular story and common belief that Okinawan farming tools evolved into weapons due to restrictions placed upon the peasants by the Satsuma samurai clan when the island was made a part of Japan, which forbade them from carrying arms. As a result, it is said, they were defenseless and developed a fighting system around their traditional farming implements. Okinawans, under the rule of foreign powers, were prohibited from carrying weapons or practicing with them in public.
Okinawan kobudo systems were shaped by indigenous Okinawan techniques that arose within the Aji, or noble class, and by imported methods from China and Southeast Asia. The majority of Okinawan kobudo traditions that survived the difficult times during and following World War II were preserved and handed down by Taira Shinken (Ryukyu Kobudo Hozon Shinkokai), Chogi Kishaba (Ryuku Bujustsu Kenkyu Doyukai), and Kenwa Mabuni (Shito-ryu). Practical systems were developed by Toshihiro Oshiro and Motokatsu Inoue in conjunction with these masters. Other noted masters who have Okinawan kobudo kata named after them include Chotoku Kyan, Shigeru Nakamura, Kanga Sakukawa and Shinko Matayoshi.
Okinawan kobudo arts are thought by some to be the forerunner of the bare-hand martial art of karate, and several styles of that art include some degree of Okinawan kobudo training as part of their curriculum. Similarly, it is not uncommon to see an occasional kick or other empty-hand technique in an Okinawan kobudo kata. The techniques of the two arts are closely related in some styles, evidenced by the empty-hand and weapon variants of certain kata: for example, Kankū-dai and Kankū-sai, and Gojūshiho and Gojushiho-no-sai, although these are examples of Okinawan kobudo kata which have been developed from karate kata and are not traditional Okinawan kobudo forms. Other more authentic Okinawan kobudo kata demonstrate elements of empty-hand techniques as is shown in older forms such as Soeishi No Dai, a bo form which is one of the few authentic Okinawan kobudo kata to make use of a kick as the penultimate technique. Some Okinawan kobudo kata have undergone less "modern development" than karate and still retain much more of the original elements, reflections of which can be seen in even more modern karate kata. The connection between empty-hand and weapon methods can be directly related in systems that formulated in order to preserve both arts such as Taira's Ryukyu Kobujutsu Hozon Shinko Kai and Motokatsu Inoue's Yuishinkai Karate Jutsu. M. Inoue draws direct comparisons between the use of certain weapons and various elements of empty-hand technique such as sai mirroring haito/shuto waza, tonfa reflecting that of urkaken and hijiate, and kama of kurite and kakete, as examples. The footwork in both methods is interchangeable.
Taira Shinken (second from left)
The Long Staff (bo) and the Short Staff (jo)
Nunchaku - Rice Flails
Sai - Weapon of Self Defense
Kama - Rice Sickle
Tonfa - Rice Mill Handles