These calls are made of virtually indestructible polycarbonate and fashioned with the hard-core waterfowler in mind. The single-reed, Arkansas-style construction shouts out everything from loud raspy quacks to soft feeding chatter. Quackhead J-Frame Made of rugged polycarbonate and fashioned with the hard-core waterfowler in mind. The single-reed, Arkansas-style construction makes everything from loud raspy quacks to soft feeding chatter. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Game Calls.