Simple metal bottle opener, engraved with "CROWN CORK". - Type: Bottle opener - Material: Metal - Engraving: CROWN CORK - Design: Simple handle shape "CROWN CORK" is the name of the company that invented the crown cap, also known as a bottle cap, and is also the name of the bottle opener. This bottle opener is used to open bottles sealed with crown caps. The crown cap was invented in 1892 by William Painter and became widely used as a cap for beer bottles. This bottle opener has a classic design that has existed for a long time. Thank you for viewing.