Rocky Mountain Hunting Calls Pack a Bull Elk Bugle - The Pack a Bull Elk Bugle is easy to use, just bite and blow the elk call with the Conqueror mouthpiece.Can also be used with diaphragm mouth calls by removing the Conqueror mouthpiece A little call with great soundsBetter compaction for ease of carrying expands to 13", and collapses to 8".Includes:Conqueror External MouthpieceProtective Cap for MouthpieceLanyard and Extra Palate Plate Replacement Reed