Strap him down, use a knife to cut open his belly horizontally, exposing the tissue. Add some alcohol and lemon juice to it (while he's still conscious) and use a pair of tweezers to remove his teeth one by one. Insert a thin glass bar in his richard via urethra, grab both extremes and make it snap inside. Later, castrate him without anesthesia and put alcohol. Strap him down very tightly with metal chains and set the table where he is strapped to ablaze. And leave like nothing happened.