The Original BROpener Bottle Opener (1, Silver) Just set the edge of the cap on the specially designed ledge of the BROpener and strike the cap with your fist or palm. You will be surprised how easy it is! The BROpener adheres to any sturdy, flat & clean surface for years to come including your refrigerator, grill, boat, hitch, car, counter top or any other surface most convenient to the beer fridge. Easy & satisfying to use. The cap will be caught with the super strong magnet. To see how easy it is to use and install check out the video here: www.thebropener.com/pages/installation-and-use-instructions