Using the Treat - K - Bob is a breeze. First, unscrew the bell at the top. Then, fill it with your pet's favorite treats like wood chews, mineral chews, fresh fruits, or veggies. After that, find a nice spot in your pet's wire cage and hang the Treat - K - Bob on it. When it comes to safety, this dispenser is great as it's made to be safe and sanitary for your small pets. To maintain it, simply clean it regularly with mild soap and water. If you notice any damage, stop using it right away and replace it to keep your pet safe.