If salting the rim, run the lime wedge around the rim of your glass. Pour a small amount of course salt into a small dish and dip the rim of the glass in the salt at a angle rolling it to coat the rim.
Fill a cocktail shaker with ice.
Add the tequila, lime juice, orange juice syrup and orange liquor.
Shake vigorously for 30 seconds and strain the margarita into your glass.