Cut Lime (1) in half.
Add the juice of half the lime to the Jigger (metal cup shaped like a shot glass).
Add Aguardiente (1.5 fluid ounce) to the shaker.
Add the lime juice to the shaker.
Add Granulated Sugar (1 1/2 teaspoon) to the shaker.
Add Ice (to taste), close the shaker, and shake in a front to back motion at shoulder height for about 10 seconds until all the ice is crushed and the ingredients are mixed.
Add ice to a tall glass and pour out the inside mix using the strainer.
Add Heike Mate (110 milliliter) to the glass.
Give the mix a quick stir with the cocktail spoon. Garnish with a piece of lime and the Star Anise (1).