Knuckle Duster Coffee Mug

Ready to hit the work week hard? This Knuckle Dusters Coffee Mug is ready to help! Featuring a titanium plated set of brass knuckles attached to a black cup, the mug is constructed from the toughest porcelain around. Each quality man sized mug will let your coworkers know that you're not in the mood to talk and are there to get things done!