Quickly learn how to perform skateboard tricks with the SkaterTrainer Skateboard Training Aid. The SkaterTrainer helps you try out and practice tricks by stopping your wheels from rolling. This allows you to work on your balance or play around with tricks in a safe way. Additionally, the SkaterTrainer makes it easy for you to practice anywhere, including the inside of your house. Just stretch the SkaterTrainer over your wheels to start working on your moves. Then pull them off afterward. The SkaterTrainer works best with skateboard wheels that are 48 to 65 millimeters in diameter, which includes most major skateboards. It also fits penny skateboard and some smaller longboard wheels. Furthermore, each SkaterTrainer pack comes with four skater trainers, a skateboard sticker, and instructions. Finally, the SkaterTrainer doesn’t require any adjustment and will never slip.