Mugs are generally used for drinking warm beverages that contain caffeine. Here is a beautiful exception to that rule: the Moscow Mule Copper Mug. If you enjoy a good cocktail we would recommend giving the Moscow Mule a try. A deliciously satisfying drink that is as potent as it is simple. If you have had a Moscow Mule you know how different the taste is when you drink it out of a classic copper mug. Upgrade from glassware and try out this copper alternative. Check out wikipedia for information regarding this drink!