The Primos Hog Grunter mimics the grunts made by both boars and sows. The grunts of a wild hog sound very much like those of a domestic pig. Because of the wild hog's strong pack instinct and its curious nature, they will often investigate the sounds of other hogs. Flexible hose for variable tones. Reproduces the grunting sounds of both boars and sows. Extra loud volume for long range use; softer volume when up close.