The Sai

Sai is a metal weapon and belongs to a type of dagger which is usually used in pairs, each hand using one. It is similar to a short sword, i.e. a trident dagger, but is traditionally blunt on its top. Its optimal length usually depends on the length of the user's forearm. Most often, its length varies from 37 to 50 cm, as well as its weight which ranges from 1.5 to around 2 kg. Two shorter tines (shields) on each side on the dagger's handle are turned upwards and are used for blocking, catching and breaking the attacker's weapon, for example, a stick, knife, dagger, halberd or a Samurai sword – katana.

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