Thesai (Japanese:釵,lit. 'hairpin';Chinese:鐵尺,lit. 'iron ruler') is a pointed melee weapon fromOkinawa. It was historically utilized in martial arts such asOkinawan kobudō and southern Chinese martial arts, and has been absorbed into the curriculum of many modern martial arts. Although similar weapons can be found in other parts of Asia, the sai is the Okinawan take on the basic concept and should not be confused with the other weapons. The sai is primarily used for stabbing, striking, parrying and disarming opponents. It consists of a pointed metal main prong, that projects from a one-handed handle, two shorter metal side prongs, which project from the opposite sides of the base of the main prong and point in the same direction as it, and a blunt metal pommel fixed to the bottom end of the handle. The sai came to international attention whenOkinawan kobudō andkarate reached international popularity in the mid-20th Century.
Before the creation of the sai inOkinawa, similar weapons were already being used in other Asian countries includingIndia,Thailand,China,Vietnam,Malaysia, andIndonesia.[1] The basic concept of this kind of weapon was brought toOkinawa over time from one or several of these places.[2] However, the sai is the Okinawan take on this weapon concept, and should not be mixed with the other similar weapons.
Some sources theorize that this weapon concept may be based on the Indiantrisula, an ancient Hindu-Buddhist symbol[3] that may have spread along withHinduism andBuddhism into South-East Asia.[4] The wordtrisula itself can refer to either a long or short-handled trident.
InOkinawa, thesai was used by the domestic police (ufuchiku) to arrest criminals and for crowd control. Use of thesai inOkinawan kobudō was approved in 1668 by Moto Chohei, an Okinawan prince.[5]
Japan had a similar weapon, thejitte, which was originally used as a blunt weapon by guards in the Shogun's palace, and it was subsequently issued to senior officials as a badge of office. Edo period examples of thejitte typically have only a single hook. The relationship between thesai andjitte is unclear.
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Thesai is a weapon typically wielded in pairs, with one in each hand.[1] In modern Okinawan Kobudo, fivekata (choreographed patterns of movements in martial arts) are commonly taught, including twokihon kata.
The utility of thesai is given away by its distinctive trident-like shape. It is a weapon primarily used for fast stabbing and striking, but being very versatile, it has many other uses as well. These include a variety of blocks, parries and captures against attackers from all directions and height levels. Use of the sharp points, the main prong and the pommel is emphasized, as well as rapid grip changes for multiple fast stabs and strikes.
One commonly depicted technique insai kata is to use of one of thesai's side prongs to entrap an opponent's weapon and then disarm them of it. Some variations of thesai have the two side prongs pointing inwards towards the main prong to facilitate this maneuver. While this does not completely immobilize the attacker, it encumbers them in close quarters.
Because there is no morphological plural in Japanese, the word "sai" refers to either a single weapon or multiple.Nicho sai refers to akata that uses twosai, whilesancho sai kata refers tokata using threesai.
