Illusion Hunting Systems Rack Rattling System Black. This Illusion Hunting Systems Rattling System features bone core technology black color and is more effective than other methods including using "real" shed antlers. This game call is very effective but you don't want to bust up your hands while using it. You can easily store the two racks in a bag or vest with durable straps. Illusion Hunting Systems creates the best-made calls on the market. Illusion Hunting Systems is devoted to providing hunters with the best hunting equipment the best hunting tools the best training tools the best hunting gear so that you can go out and get the respect you deserve. Specifications for Illusion Hunting Systems Rack Rattling System: Manufacturer: Illusion Hunting Systems Color: Black Package Contents: Illusion Hunting Systems Rack Rattling System Illusion Hunting Systems 777: Rack Rattling System Black