Vodka Volcano

  • 2
    oz
    Vodka
  • 2
    oz
    Grapefruit Juice
  • 2
    oz
    Pineapple Juice
  • 1
    tsp
    Grenadine

Pour Vodka, Grapefruit Juice, and Pineapple Juice into shaker. Fill a Highball glass almost full of ice cubes, and dump ice into shaker. Shake well and pour drink into Highball glass. Drop the Grenadine into the center of the drink, making a red trail