The Heretic Knives ADV Butcher Automatic Knife Carbon Fiber DLC Black Plain Edge. The New Automatic Butcher is a bold folding knife design from Andre de Villiers ADV and Heretic Knives and have teamed up to fantastic fully automatic version of the Andre De Villiers Butcher. This model is built with a black sheepsfoot blade and a black aluminum handle with frag carbon fiber scales. Blue anodized pivot and button accents add a custom flair to the design. Item includes a tip-up roller ball clip..