Open Reed Coyote Distress Call Prey in distress call Classic magpie in distress Dual chamber pup yelps, squeaks, screams, and squeals. Duel Game Calls Open Reed Coyote Distress Call -This single-reed call has a flexible tube and produces coyote barks, howls, and pup distress sounds. You will also get jackrabbit distress calls, all with Duel Chamber Technology. Call more predators into your aim with the Coyote Distress Call. Distress calls are some of the best ways to call predators in on your position. The DUEL Game Calls Open Reed Coyote Howler/Distress Call is the perfect tool for this job. This distress call perfectly mimics wounded or trapped game, and is a surefire way to increase your odds of a successful hunt.