Steps
1. Fill a shaker with ice cubes.
2. Add pineapple juice, coconut rum, and orange juice to the shaker.
3. Shake well until chilled.
4. Strain the mixture into a glass filled with ice cubes.
5. Slowly pour the grenadine down the side of the glass to create a layered effect.
6. Garnish with a pineapple slice and a cherry.
7. Serve immediately and enjoy!