caplifters

A caplifter, also known as a bottle opener or crown remover, is a tool designed to remove crown caps from bottles. These caps are the crimped metal seals commonly found on glass beverage bottles. Caplifters employ leverage to pry the edge of the cap away from the bottle's rim, breaking the seal.

Various types of caplifters exist. The most basic form is a simple lever with a notched end that fits under the cap's edge. Pocket caplifters are often small and portable, designed to be attached to keychains or used as part of other tools. Wall-mounted caplifters are designed to be affixed to a surface, such as a bar or counter, for easy access. Integrated caplifters can be found on multi-tools, knives, and even some can openers.

The mechanism of a caplifter relies on the principle of leverage. By applying upward force to the handle of the opener, the notched end exerts pressure on the cap's lip. This pressure, concentrated at the points of contact, causes the cap to bend and detach from the bottle. The effectiveness of a caplifter depends on the strength of the tool and the user's ability to apply sufficient force.

Caplifters are ubiquitous in households, bars, and restaurants worldwide. They are essential for opening bottled beverages and have become a common household item. The design and materials used in caplifters vary widely, from inexpensive plastic versions to more robust metal or wooden constructions.