1 1/2 oz of Light Rum
1/2 oz of Gin
1/2 oz of Triple Sec
2 oz of grapefruit juice
1 tsp of Cherry brandy
1 of maraschino cherry (or cherry)
Pour the rum, gin, triple sec, and grapefruit juice into a highball glass almost filled with ice cubes. Stir well. Drop the cherry brandy into the center of the drink. Garnish with the cherry.