inches to 1 m ~ 1 yard. The two major categories of yari were Su Yari (素槍, simple spear) and Kama Yari (鎌槍, sickled spear). Trident . A three-pronged spear. Used by gladiators and also as a cultural symbol. Guisarme . A hook on a pole. Bec_de_Corbin (crow's beak). A curved