Rodrigo's Margarita on-the-rocks

Name: Rodrigo's Margarita on-the-rocks
Prep time: 5 min
Cook time: 5 min
Total time: 5 min
Yield: 1 cocktail
Cuisine: Cocktail
Ingredients: 1.5 cl Simple Syrup; 4 drops Angostura Bitters; 4.5 cl Tequila Blanco; 1 ⁄2 pinch Salt; 3 cl Lime Juice; 2.25 cl Triple Sec