In a glass pour chilled vodka and lemon or lime juice.
Take a straw and dip it in a bottle with a cream liqueur so that it had accumulated a little fluid,
shut the top hole with your finger and move the straws in a glass of liqueur,
where gently to release the contents, without mixing it with vodka.
Do this procedure several times before reaching the visual effect of the presence of brain substance in the glass.
Drip 1-2 drops of grenadine and serve.
This cocktail served cold, without ice, using small glass - Shooter