Primos Trophy Grunter No matter where or what season you hunt, the Trophy Grunter can bring in that BIG Buck for the perfect shot. Another great call with accurate sound! Features: Accurate sound 6-in-1 - Adjustable reed assembly reproduces everything from grunts to bleats Loud, throaty grunts Expandable hose for variable tones and pitches U.S. Patent No. 5,910,039