The Deer "Positioner" is an adjustable wall mount skull hanger. Just adjust to desired angle and tighten the side screws. Welded on stud fits pefrectly in molded in "key-hole" on Mountain Mike's reproductions skulls. Works equally well on real skulls like, deer, antelope, bear and other medium sized big game skulls. Kit comes with mounting screw and screw for attaching real skull.