Arm yourself in the early morning with more than just a shot of coffee. Get hold of knuckle duster mug ensure you deliver yourself a hot cup of strong powerful coffee with with a grip that's sure to keep you more than just alert. Ceramic mug designed with gangster strainless steel plated knuckle duster gangster holder Perfect for wrapping those fingers around particularly on colder mornings Rinse rather than dishwasher to ensure it's longevity Great novelty gift for any hard man or dad Dimensions: 12 x 15 x 9cm; Capacity 430m It actually feel great when you're holding it