Mammoth Grinder - Cosmic Crypt (Vinyl/Record)Mammoth Grinder: Austin, Texas. Formed in 2006 in Austin, TX, and consisting of current and former members of Power Trip, Iron Reagan, and Darkest Hour, MAMMOTH GRINDER play a primitive brand of punk inflected death metal. MAMMOTH GRINDER return after five long years with their fourth full length Cosmic Crypt, a non stop, meteoric force of aggression and mayhem. Underground extreme metal trio MAMMOTH GRINDER return after five long years with their