Cocktail Recept: Tropical grunts

A Tropical grunts cocktail contains the following ingredients:

• 6 cl. Blackberry liqueur 
• 2 cl. Creme de Cacao brown 
• 8 cl. Pineapple juice
• 1 bit Egg white
• 1 pair Ice Cubes

Put some ice cubes in a shaker.
Add the remaining ingredients.
Then shake the mix vigorously.
Pour the mixture through a strainer into a highball glass.
Present the cocktail with a straw.
Serve the cocktail immediately.