A waiter's corkscrew is a versatile tool used to open wine bottles. It typically features a metal spiral, known as a worm, which is inserted into the cork. The design often includes a lever that helps to pull the cork out smoothly, making it easier for the user. This tool is compact and portable, making it a popular choice among waiters and wine enthusiasts alike. Many waiter's corkscrews also come with a built-in knife for cutting foil, enhancing their functionality. Overall, it is an essential accessory for serving wine efficiently.