Knight & Hale Coyote Call Heckl'n Howler w/Blast Chamber - Heckl'n Howler coyote call is the easiest-to-use barker/howler on the market. The key is the new Blasting Chamber, which focuses the air and forces it through the call at a high, consistent velocity. The Heckl'n Howler produces tremendous volume, and it's so easy to use that with just minutes of practice you're ready to hit the woods. High volume, realistic howls, yips and barks, and a durable call that will provide years of coyote hunting success - the Heckl'n Howler has it all. Additional features are a Blasting Chamber Design, Easy to blow, Perfect yelps, howls and yips, Extra Loud, and Super Realistic.