The "RED Ninja Reverse Hammer" by WoodHaven Custom Calls is a 3 reed call (top RED reed over two proph reeds). The "RED Ninja Reverse Hammer" is designed with WoodHaven's very popular Hammer Cut. The difference in the "RED Ninja Reverse Hammer" is that the cut is on the left side of the call instead of the right which allows you manipulate where air flow is pushed through the call. This call will produce those raspy yelps of an old hen, as well as, those high-pitched kee kee runs of a lost turkey. From hard, crisp cutting, yelping, and whistling, to those soft clucks, purrs, and whinesa |the "RED Ninja Reverse Hammer" offers today's turkey hunter a totally different turkey sound.