The Bayou Bruiser deer grunt has been field tested and proven to be a game changer when chasing big bucks. It has an adjustable toneboard designed to mimic mature bucks, does, and fawns. It&';s non-reflective surface ensures there won&';t be any glare to spook wary deer. This grunt is highly effective and built to last! Features: Adjustable toneboard Double o-ring insert Lanyard included