Features Chris O’Toole (of Unearth & Turbid North) – GEAR MASTERS (Revisited) Ep. 99 [VIDEO] On this episode of DTB’s “Gear Masters”, the metal musician, Chris O’Toole (of Unearth and Turbid North), shows off the gear that he uses onstage, while on tour with Entombed A.D. and Full of Hell.