Pour rimming salt onto a plate. Run lime wedge around rim of Margarita glass and coat with rimming salt. Fill glass halfway wth ice and garnish with the lime wedge. In a cocktail shaker, fill halfway with ice,then add the Sauza Tequila, Mexican beer, Sauza Margarita Mix, and squeeze other lime wedge in. Cover, shake, and strain into your glass and enjoy!