1 1⁄2 oz Jamaican rum, Wray & Nephew Overproof
1⁄2 oz Cassis
1⁄2 oz Lime juice
1⁄2 oz Virgin Islands Rum, Cruzan Blackstrap (float)
Instructions
Shake first three. Pour unstrained into small rocks glass. Float blackstrap.
Notes
The blackstrap stands in for the petrol.