bottle opener (n)

If you haven't got a bottle opener, you can use one bottle to open another.
I reached for the bottle opener to pop the cap off the cold soda on a hot summer day.
During the picnic, we realized we had forgotten the bottle opener, so we had to get creative and use a sturdy key to open our drinks.
The bartender swiftly used a professional-grade bottle opener to remove the caps from the beer bottles, ready to serve the customers their drinks.