The Moscow mule is a refreshing vodka-based cocktail that is traditionally served in a copper mug. It combines vodka, ginger beer, and lime juice for a zesty and effervescent drink. To make a Moscow mule, pour vodka and lime juice over ice in a copper mug, then top it off with ginger beer. Garnish with a lime wheel. Sip on this invigorating cocktail and let its flavors transport you to the streets of Moscow.