A knife that retracts with a button is an incredibly useful tool to have around the home or office. It operates by pressing a spring-loaded button, which causes the blade of the knife to slide back into its handle. This makes it easy and safe to store away when not in use. Retractable knives are ideal for tasks such as cutting tape, slicing up fruit, opening packages, and more mundane everyday jobs where a regular kitchen knife would be too large or cumbersome for the task at hand. Furthermore, they usually come equipped with safety features like locking mechanisms that prevent accidental deployment of the blade when not in use. All these features make them perfect for those who want quick access to their cutting tools without having to worry about storing them safely afterwards.