These copper mugs were made for Moscow Mules. Anyone know the recipe?

These copper mugs were made for Moscow Mules. Anyone know the recipe?





Solid Copper Barrel Mule Mug 2-Pack

www.groupon.com

Set of two mugs for Moscow Mules, each coated in solid copper and stamped to resemble an old-fashioned barrel



via Groupon's Facebook Wall http://ift.tt/1B3AvhS