1 part of creme de cassis (or blackcurrant-flavored liqueur)
1 part of root beer schnapps
1 part of heavy cream
1 part of Bacardi white rum (or Light Rum)
1 part of Malibu coconut rum (or Coconut Rum)
In a mixing tin, combine all ingredients with ice and shake. Strain into a double shot glass. Can also be made tall (add a little soda water to cut down on the cream)