Step 1.
- In a shaker, combine light rum, dark rum, orange juice, and brandy.
Step 2.
- Add ice and shake well until chilled.
Step 3.
- Strain the mixture into a tiki mug filled with ice.
Step 4.
- Top with grenadine and stir gently to create a gradient effect.
Step 5.
- Garnish with an orange slice and a cherry.