Mix in a mixing glass: ice cubes, 60 ml Wray & Nephew White Overproof Rum, 30 ml Appleton Estate dark rum, 1 teaspoon grenadine, juice of a whole lime; fill the glass with 100% pineapple juice. Add some spice: 1/4 teaspoon pimento. Pour in a glass. Note: a total of 90 ml rum makes a very strong punch!