Wearing this bottle opener ring out to your favourite bar will not end well.
Who it won't end well for is up for debate. It could be you, when you break your hand using this opener in an impromptu bar fight. Or, it could be the guy you hit during said bar fight. Or maybe it's everyone in the bar, after they're been arrested and put in jail for the bar fight you started with your brass knuckles bottle opener. [Maker's Market via CrunchGear]