Produces throaty grunts, click grunts and estrus bleats with inhale/exhale operation. Single- and double-reed design in one call. Includes a built-in compass. FeaturesDual-reed assembly for inhale-exhale operationThroaty grunts and clicking tones of aggressive bucks to Estrus? bleats and cries of does Single and double-reed options, all-in-one callIncludes built-in compass