Ingredients:

Lime slices
Urban Accents Cosmo Rimming Sugar
1-1/2 oz light rum
Juice of 1/2 lime
1 tsp powdered sugar

Directions:

Moisten rim of cocktail glass with lime; dip rim into Cosmo Rimming Sugar.  Add rum, lime juice and powdered sugar to ice-filled shaker.  Shake until well-chilled; strain into glass, add lime slice to rim of glass and serve.