Tropicana Cocktail

Description
A rum drink.
 * Contributed by The Bartending School

Ingredients

 * 1¼ oz light rum
 * 5 oz pineapple juice
 * 2 oz grapefruit juice
 * 1 dash grenadine
 * ice

Directions

 * 1) Mix all ingredients in a glass filled with ice cubes.
 * 2) Top with a ring of pineapple.