The new Value Priced Polycarbonate Green Machine (ATM) double reed Mallard Duck calls, features the same smooth mallard sound callers have grown to love, but with the greater volume and a radically improved bottom-end feed chuckle.This innovative new Value Priced Polycarbonate call features Zink’s Z-Cut no-stick tone channel, a revolutionary design that permits a huge range of tones, while virtually eliminating reed-lock.Fantastic call for potholes, marshes, timber, and open water on light-wind days