THE MOSCOW MULE
4 ounces vodka (I used Tito's for today's drink)
Ginger beer (I like Reed's and Blenheim's, which calls itself ginger ale but has the gingery spiciness of a ginger beer which is necessary for a mule)
Juice of one lime
Fill two copper mugs (cocktail glasses will do in a pinch) with ice. Pour vodka over ice, and top with ginger beer. Add lime juice and lime wedge to finish.
And in case you're in need of some copper mugs: