A three-in-one call that reproduces multiple sounds, that can get you out of that dry spell. With a built-in compass, Inhale and Exale use, and throaty grunts and Estrus(TM) Bleats, you have a call that is just too good to pass up. Effective for long-range calling Dual-reed assembly for inhale-exhale operation Reproduces throaty grunts and Estrus(TM) Bleats by simply inhaling and exhaling Includes built-in compass U.S. Patent No. 5,910,039