Using this Zeus NOSH Wishbone is super easy. Just give it to your dog and let them start chewing. It's great for keeping them busy and satisfied. When it comes to size, pick the right one according to your dog's size and chewing strength. Small for little dogs, medium for average - sized ones, and large for big dogs. Always keep an eye on your dog while they're chewing to make sure they're safe. To maintain the wishbone, you can wash it with mild soap and water occasionally. This will keep it clean and hygienic for your furry friend. Remember, it's a tough toy, but if it gets damaged, it's time to replace it to avoid any choking hazards.