Waysun Johnny Tsai Reviews the CUMA TAK-RI from TOPS Knives By: Ben Sobieck | May 13, 2011 Martial arts expert Waysun Johnny Tsai reviews the CUMA TAK-RI (a tactical kukri) from TOPS Knives. Keep Reading:Bent, Shot Whiskey Knives Keep ChoppingVideo: How to Grind a Forged BladeVideo: How to Make Mosaic Damascus Steel with Ed CaffreyGuild Show: Granddaddy Custom Knife EventVideo: Actress Chloë Grace Moretz Flips on Conan O’Brien