The JW Pet InSight Cuttlebone Holder Bird Toy is extremely easy to use and will hold any type of cuttlebone for your bird to enjoy. There are no difficult wires—just a plastic support that holds the cuttlebone and a simple screw-on bolt that attaches to both vertical and horizontal cage wires. The adjustable perch can be moved up or down for easier access to the cuttlebone as it is eaten. It’s the simplest way to give your bird the trace minerals and calcium he needs and to keep his beak strong and healthy.