Frosty Mexican Bulldog Margarita Recipe

5 cups of ice, more depending on desired thickness 1 cup tequiila 1/2 cup grand marnier 5 limes 1 orange 1 cup simple syrup 4 bottles of Corona, ice cold 1/3 cup coarse salt More limes for garnish 1. Place limes and the orange--which should be at room temperature--on the counter and roll them with your hand, back and forth, while applying pressure. Be careful, you don't want to break them open, do it semi-gently. They'll feel like a sem-filled water balloon when ready. This w