Duck Commander Cold Blood Duck Call LOUDEST of the Duck Commander Calls OPEN WATER HUNTER'S DREAM CALL - If you're hunting open water, this is the call for you EASY TO BLOW - Phil Robertson's Patented Double-reed, friction fit system Made from DURABLE ACRYLIC cast rod and cut to precision then highly polished and finished off with a brushed aluminum band CUSTOM-TUNED with Copperhead Design