Hunters Specialties Quadgrunter XT Grunt Deer Call -For a fully adjustable, no-nonsense call, look no further than the QuadGrunter XT™ from Hunters Specialties®. The QuadGrunter XT™ features an adjustable o-ring which gives it the versatility of four calls in one; simply move the o-ring along the soundboard inside the mouthpiece to project mature buck grunts, young buck grunts, doe bleats or fawn bleats. Four calls in oneInternal o-ring can be adjusted to change soundsFawn Bleats, Doe Bleats, Young Buck Grunts and Mature Buck GruntsExpandable bellow for realistic tonal inflections