The Wapiti Whacker will create all the sounds, even the high pitch screaming challenge, location, and display calls of a bull elk. With all these innovative ideas all wrapped up in one unit, you can now expect the accuracy, realism, and ease of use in this Bugle Tube. The most realistic sounding elk grunt tube ever. For use with your favorite mouth diaphragm call. | Rocky Mountain Hunting Calls Wapiti Whacker Elk Bugle Game Call