1/2 oz of Rum 1/2 oz of Grape Juice 1/2 oz of Vodka 1/2 oz of Gin 1/2 oz of Blue Curacao 1/2 oz of Sour Mix 1/2 oz of Lime Juice 1/2 oz of Grapefruit Juice
Pour two of each ingredients in a shot glass then use a coaster to put one shot glass over the top of one another.