This slim bottle opener will pull its weight without bulking up your key ring. Bar Buddyz Keychain Bottle Opener, $7.50, available at Amazon.

TL;DR: Save 44% on the GoCable, a keychain charger that has multiple charging options, a bottle opener, and more for $24.99 (reg. $44).

Not only can I give my devices a power boost, but this keychain lets me crack open a crisp Corona without cracking a tooth—or my beer bottle—when I’ve forgotten my usual bottle opener.