Is he a bit soft in the morning? Needs toughening up? Then serve up a good strong brew in this Knuckle Duster Mug in Black and Silver and he'll be back to his old well 'ard self again!This is an edgy mug for all those toughies out there. With a handle shaped like a gangster "knuckle duster" ring and in a"blinging" metallicsilver colour, it's perfect for wrapping those fingers around, particularly on colder mornings when frozen hands need warming before flexing!Made of porcelain, the knuckle duster handle does not detach from the mug, and this item is not designed to be a weapon!