The RED Ninja Reverse Hammer by WoodHaven Custom Calls is a 3 reed call. The difference 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 whines the Red Ninja Reverse Hammer offers todays turkey hunter a totally different turkey sound.