Many use a double-hinged arm (for stepped leverage) together with a multi-turn worm—commonly about five turns—that screws into the cork so it can be pulled out using leverage.
Many include built-in foil cutters and bottle-cap openers so the same tool can both cut the capsule and open capped or pop-top bottles.
Care instructions vary by model: many listings specify hand washing, while a few note dishwasher-safe cleaning—check the product details for the recommended method.
Travel-friendly openers are described as compact and lightweight, with drawer-friendly designs that are easy to tuck into a travel bag or picnic basket.
Foil cutters include serrated blades and extendable multi-wheel designs—an extendable four-wheel cutter is specifically mentioned for clean capsule removal.
Certain openers combine functions: one side or end is configured to remove pop-top metal caps, while another side or end grips twist-off tops to make opening easier.