How to Make It
Cut 1 wedge from lime. Squeeze juice from remaining lime a small bowl; set aside. Rub rim of a glass with lime wedge, and set aside lime wedge. Lightly coat rim of glass with salt. Fill prepared glass with ice.
Combine tequila, orange liqueur, and lime juice in a cocktail shaker filled with ice. Cover and shake vigorously until chilled, about 15 seconds. Strain into prepared glass, and garnish with reserved lime wedge.