Ranks right up there with carbon clothing and scents. Gimmicks and a waste of money. It just reminded me of another gimmick call that has passed with time; Knight and Hales fighting purr turkey calls sold about 10 years ago.Two big aweful sounding box calls that came with an instructural tape. You basically went back and forth with both of these calls and made a loud ruckuss that scared every animal in a 3 mile area. Yea, I was a sucker and bought them