The Coyote Hooker® Predator Call from Johnny Stewart® Wildlife Calls allows you to easily imitate authentic coyote sounds with the simple push of a button. The call features an internal-reed design with a molded membrane on top. By blowing the call and adjusting the pressure on the membrane, you can easily change the pitch of the call. The Coyote Hooker® predator call is lightweight and comes with a lanyard.