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WABUKAN Journal · Weapons · 古武道

Okinawan kobudo: the weapons from the farm (and the ones that were not)

· 4 min read

Kobudo means "old martial way". In Okinawa the word names a family of weapon arts that grew up beside karate: the staff, the sai, the tonfa, the nunchaku, the sickle and a few less known tools. Their story is usually told in one sentence: "peasants forbidden to carry swords turned their farm tools into weapons". The truth is more interesting.

Okinawan kobudo: traditional weapons are trained through kata.
Okinawan kobudo: traditional weapons are trained through kata. WABUKAN illustration

A kingdom between two empires

Okinawa was the heart of the Ryūkyū Kingdom, unified in 1429 and rich from sea trade between China, Japan and South-East Asia. Chinese envoys, merchants and military officers passed through the islands for centuries, and many Okinawan techniques show Chinese influence. In 1609 the Japanese domain of Satsuma invaded, and from then on the kingdom lived under a double loyalty: tributary to China, controlled by Satsuma.

Restrictions on weapons did exist, both under earlier Ryūkyūan kings and under Satsuma, and they encouraged training in private and with modest equipment. But historians warn against the simple version. Practice was mostly kept by the shizoku, the Okinawan gentry, not by farmers, and several weapons have no obvious farm origin.

The main weapons

Bo — the long staff, typically six shaku (about 1.8 m), the "rokushakubo". It is the backbone of kobudo: almost every school starts with it, and it shares its principles with the Japanese bojutsu. A carrying pole for buckets is a plausible ancestor, but a staff is also one of the oldest weapons anywhere.

The bo, a six-shaku staff (about 1.8 m).
The bo, a six-shaku staff (about 1.8 m). WABUKAN illustration

Sai — a metal baton with two curved side prongs (yoku), used in pairs. It is the clearest counter-example to the farmer story: it is a forged metal object, closely related to tools carried by law-enforcement officials in Ryūkyū and to similar weapons in China and South-East Asia. It is used to strike, block, trap and thrust; the prongs catch a staff or a blade.

Sai kata at a world kobudo tournament in Okinawa, 2019.
Sai kata at a world kobudo tournament in Okinawa, 2019. Author: Мирутенко · Licence: CC BY 4.0 · Wikimedia Commons

Tonfa (tuifa in Okinawan) — a wooden bar with a side handle, often said to come from the handle of a millstone. Held by the handle, it lies along the forearm to protect it and can be spun to strike. In the 1970s its shape inspired side-handle police batons used around the world.

The tonfa, whose side handle inspired modern police batons.
The tonfa, whose side handle inspired modern police batons. WABUKAN illustration

Nunchaku — two short sticks joined by a cord or chain. A link with flails used for threshing grain or with a horse bit is often suggested, but not proved. It was a minor weapon in traditional kobudo until films of the 1970s made it world-famous.

Kama — the sickle, clearly a farm tool, used single or in pairs. Real kama are dangerous to train with; most practice uses blunt or wooden versions.

Lesser known weapons include the eku (a boat oar), the tekko (a knuckle guard, perhaps from a horse stirrup), the tinbe and rochin (a shield with a short spear) and the surujin (a weighted rope).

The masters who saved it

After the annexation of Ryūkyū by Japan in 1879 and the upheavals of the 20th century, including the destruction of the Battle of Okinawa in 1945, much was lost. The figure most associated with saving it is Taira Shinken (1897–1970). A student of Yabiku Mōden, he travelled around the islands collecting weapon kata from old teachers and, in 1955, founded a society for the preservation of Ryūkyū kobujutsu. Many of the kata taught today bear the names of masters or places: Shūshi no kon, Sakugawa no kon for the bo; Tsuken Shitahaku no sai; Hamahiga no tonfa.

Other lines, such as that of the Matayoshi family, preserved different weapons and forms. Today kobudo is taught both as an independent art and as a complement inside karate schools; several karate styles consider weapon work a natural continuation of empty-hand training.

How it is trained

Training follows the karate model: basic movements repeated in lines, kata alone, then forms with a partner (kumite or bunkai) in which one person attacks with a bo and the other defends with sai or tonfa. Beginners use wooden or padded weapons and work slowly; speed comes only when control is reliable. Wrists and forearms need patient conditioning, especially with sai and tonfa.

As with any weapon, the practitioner also has to know the local rules: some objects, such as the nunchaku, are restricted in several countries. Clubs usually advise carrying equipment covered and only between home and the dojo.

Each weapon also teaches a different distance. The bo works at long range and forces the whole body to move as one unit; the sai and the tonfa work close, with the forearm, much like empty-hand blocks; the nunchaku and the kama demand timing and precise grip changes. That is why many teachers recommend learning the bo first and adding the short weapons later, one at a time.

Why it matters

Kobudo is a living archive of Okinawan history: of a small kingdom that traded with everyone, adapted foreign influences and kept its own methods through occupation and war. It also explains much of karate's movement: the blocks, the stances and the turning of the hips make more sense when a weapon is in the hands.

Timeline

  1. 1429Unification of the Ryūkyū Kingdom.
  2. 1609Satsuma domain invades Okinawa.
  3. 1879Ryūkyū annexed by Japan (Okinawa Prefecture).
  4. 1955Taira Shinken founds the kobujutsu preservation society.
  5. 1970sCinema makes the nunchaku world-famous.

Related pages on Wabukan

kobudo karate bojutsu Master: Taira Shinken Profile: bo Profile: sai Profile: tonfa Profile: nunchaku Profile: kama

Sources

Original WABUKAN text, written from these cross-checked sources (facts, not sentences).

  1. Mark Bishop, Okinawan Karate: Teachers, Styles and Secret Techniques, A & C Black, 1989
  2. Patrick McCarthy, Ancient Okinawan Martial Arts: Koryu Uchinadi, Tuttle, 1999
  3. George H. Kerr, Okinawa: The History of an Island People, Tuttle, 1958 (ed. rev. 2000)
  4. Wikipedia (EN) — Okinawan kobudō
  5. Wikipedia (EN) — Taira Shinken

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