Easy Rum Sour

Developed September 26, 2011. In readiness for the rare idyll by the sea with DrDaddy's sweetie. Und Frau und auch liebe.

3 jiggers (4-1/2 oz) margarita mix (Kirkland™ is good)
1 jigger dark rum
1/2 c ice
lime wedge

Add ice, mix, and spirits to a 14 oz glass. Squeeze lime juice into drink and add rind