These are collectable but highly functional friction turkey calls.Each one has been hand tuned for use in the woods and are made from real Western Box turtle shells and gem quality agates and jaspers.The striker, which forms the turtle’s head and tail are made of deer antler and hickory.The turtle’s eyes are semi-precious stone -- turquoise, tiger eye, jade and serpentine. The turtle on the left has a Brazilian agate belly. The turtle on the right is Lizard Skin jasper. Both like having their bellies scratched.