The Cuma Evolution is Waysun "Johnny" Tsai's design for a hard-working knife that will excel in multiple situations, combat or utility. Waysun Johnny Tsai has over 25 year of hands-on martial arts teaching experience and is considered to be one of the world’s foremost experts in practical street defense. His C.U.M.A. (Combined Universal Martial Applications) program and A.R.C reality based fighting program (All Range Combat) are among his latest and greatest ventures.
TOPS Knives' Cuma Evolution has a stout 1095 steel blade with a black traction coating and upper and lower edges. The bottom edge is sharpened and offers almost 5" of cutting power. The handle scales are black linen Micarta with Rocky Mountain Tread (RMT), an aggressive array of grooves for outstanding grip. Included with the Cuma Evolution is a heavy duty black nylon sheath.