Half fill the Cocktail Shaker with Ice and pour in the White Rum, Raspberry Liqueur and the Cranberry Juice. Shake firmly until a layer of ice forms on cocktail shaker.
Fill the Highball Glass with Ice and Strain the contents of the shaker into the Glass. Squeeze the Lime Wedge into the cocktail and drop the wedge in to garnish before serving.
For a subtle change in flavour, replace the White Rum with Golden Rum