The Refuge Calls Warrior Duck Call is based off Refuge Calls’ best selling Hybrid duck call! It has a deep loud top end but is still able to get soft on the bottom end. The Warrior duck call supports a great cause. 10 percent of the sales of the Warrior call goes to Operation Wounded Warrior Support (OWWS). The OWWS is an Arkansas non-profit, volunteer organization providing our nation's combat wounded (primarily US Army Rangers) free, world-class Arkansas duck hunts since 2002!