1 ½ oz. white rum 1 oz. dark rum 2 oz. pineapple juice 1 oz. orange juice ¼ oz. lime juice ¼ oz. grenadine 1 cup ice 1 cherry to a cocktail shaker add the white and rum, pineapple juice, orange juice, lime juice, grenadine, and ice.Shake well to combine then strain into a glass with ice. Serve and garnish with a cherry.