To continue the Pro Series line, Duckman John Godwin contributed his go to call for the line-up. Each call is specifically tailored by the maker and is tested for accuracy. Only a limited number have been made, so don&&';;t miss out on John Godwin&&';;s go-to call! Ultimate, "close-in" finishing call Built and approved by Duckman John Godwin Easy to blow Double-reed, friction fit system Clear, smooth sound Acrylic Barrel