The Zink Green Top Rocker Reed with its single reed type delivers a lot of volume and produces a distinctive nasty nasally "duck" sound. It mimics the sound of multiple hens calling at once making it ideal for luring in ducks. Additionally the Z-cut tone channel helps eliminate reed lock ensuring consistent performance. Reed Type: Single Lots of volume Nasty nasally duck sounds Sounds like multiple hens at one time Z-cut ton channel eliminates reed lock