The addition of a bottle opener on the bottom is the final touch to make sure that you'll never want for anything so long as you have your koozie and a beer (or soda) to fill it.

Koozies that don’t cover the entire bottle ... The cap is attached to the cooler with a tether and has a built-in bottle opener. The BottleKeeper is only designed to fit standard-size beer ...

They're about to release a new product, a type of suspenders called "Muff-spenders," which have a couple of insulated beer-pockets, a bottle-opener and a magnetic beer koozie. The suspenders are ...