The flextone Battle Bones Rattling Call System delivers the realistic sound of 2 mature bucks fighting with both sides of the antlers of both bucks, instead of the more common 1 antler apiece method, to greatly increase the distance the sound carries. A redesigned grip provides great control, and a non-reflective brown color helps conceal movement during use. Bone core technology produces realistic rattling tones of 2 different mature bucks crashing and rattling antlers in a major fight. The flextone Battle Bones Rattling System gets dominate bucks charged up to draw them into range. Manufacturer model #: FG-DEER-00064. Double the amount of rack contact for double the sound 2 full racks for more realistic fighting sounds Bone Core technology for realistic rattling tone Redesigned grip enhances control Non-reflective black color