A bottle opener is a simple tool designed to remove the metal caps from bottles, typically those containing beverages like soda or beer. It usually consists of a lever and a sharp edge that can grip the cap, allowing the user to pry it off with minimal effort. Bottle openers come in various shapes and sizes, including handheld models, wall-mounted versions, and multi-tools. These tools can be made from different materials, such as stainless steel or plastic, and often feature designs that make them easy to carry or store. Some bottle openers are even integrated into other items, like keychains or kitchen gadgets, making them convenient for everyday use.