1/2 oz of captain morgan original spiced rum (or spiced rum)
1/2 oz of blue curacao liqueur
1/4 oz of Malibu coconut rum (or Coconut Rum)
2-3 drops of grenadine syrup
3/4 oz of Pineapple Juice
Add all ingredients (except grenadine) to a cocktail shaker half-filled with ice cubes. Shake well, and pour into a double shot glass. Add 2-3 drops of grenadine, and serve.