The Lucy Cow and Calf Elk Call is an open reed design that reproduces all cow and calf calls. This allows you to place the reed end of the call into your mouth how ever you prefer; reed up against your upper lip or reed down against your lower lip, what ever feels more natural to you! The band on the reed can be move to your own preferred location on the sounding board.Specifications and Features: Open Reed Acrylic Sound Chamber Rubber Band Adjustable Compact