The awesome, all-in-one Mac Daddy Herd Pack includes the Mac Daddy with Infinity Latex, Estrus Squeeze Me, Carltons Calls Premium Flex double-reed diaphragm call and The Complete Elk Caller DVD. This easy-to-use call produces the most authentic bugles and nasally cow calls. For high-pitched, long-distance fightn cow calls to up-close estrus whines and calf calls, youll love the Estrus Squeeze Me. And rounding out the Herd Pack is the double-reed diaphragm for realistic, reliable, hands-free calling.