Flextone Battle Bag Plus Deer Call -They incorporate a hard plastic or metal tone-board with reed to imitate the voice box and vocal cords while using soft flexible chambers of plastic, vinyl, or rubber to imitate the soft tissue chambers of the neck and mouth of an animal. The design produces a truer, more natural sound as well as giving the user more control of volume, tone, and inflection just like the animals they were designed to imitate. "Battle sticks" made from high-tech polymers for maximum volumeRubber-flex bag allows for increased banging of "battle sticks"Creates early season sparring matches to epic fights of the rut