Primos Hunting Rubberneck Game Calls. This Game Call by Primos Hunting features ultimate tone and volume control just squeeze the megaphone end. With the push of a button the Primos Hunting Rubberneck Buck Call converts from a mature buck grunt to a young buck grunt or a doe Estrus Bleat. The Primos Hunting Rubberneck Whitetail Call is perfect for the avid whitetail hunter. Specifications for Primos Hunting Rubberneck Game Call: Manufacturer: Primos Hunting Color: Black Species: Deer Features of Primos Hunting Rubberneck Whitetail Call: Made completely of rubber Converts from a mature buck to a young buck grunt or a doe Estrus Bleat with the push of a button Package Contents: Primos Hunting Rubberneck Game Call Lanyard Arm Strap Primos Hunting 737: Rubberneck Game Calls