Beta Pro Grunt call videoOur premium deer grunt call- the Beta Pro, is made from the same materials high end waterfowl calls are, but for half the price. Tuned from the factory for middle age class buck vocalizations, you have the option to adjust the tone by sliding the rubber ring up or down for the desired result. Check it out today- https://www.phelpsgamecalls.com/pages/phelps-deer-calls.html?lang=en_US | Phelps Game Calls