Toss ice into the copper mug. The ice should fill the mug to the top.
Grab up the grape vodka. Using the jigger, measure out 2 oz of grape vodka and add it to the mug.
Grab up the lime juice. Using the jigger, measure out .5 oz of lime juice and add it to the mug.
Grab up the ginger beer. Using the jigger, measure out 4 oz of ginger beer and add it to the mug.
Toss the sprig of mint into the side of the mug.