1. Into a shaker full of crushed ice add Gosling’s Black Seal Rum, Gosling’s Gold Rum, pineapple juice, orange juice, Grenadine or Bermuda Falernum, and Angostura bitters.
2. Churn vigorously until a frothing appears or mix in a cocktail shaker.
3. Strain into a rocks glass and garnish with an orange slice and cherry