Deep Purple , Blackie Lawless of W.A.S.P. and George “Corpsegrinder” Fisher of Cannibal Corpse , and is used by members of Slipknot , Meshuggah , Voivod bassist Jason Newsted (formerly of Metallica ), the late Dimebag Darrell , Brian Fair of Shadows Fall , Corey Beaulieu of Trivium , Matt Tuck