Zepp's M-44 Predator Call - One of the "easiest blowing" calls on the market and the only plastic injection molded predator call we offer for sale. It has a deep, courser sound when blowing straight through it, what most guys would think of as jackrabbit or fawn distress sounds. Buta |. if you cup your hands over the end, it makes a higher pitch. If you cup your hands over the end and flutter your tongue while blowing, it makes great bird distress sounds. This is a deadly cat, coyote, fox and lion killer. Easy To Use Attractive To Cats, Coyotes, Foxes And More