To rim the glasses: Rub a wedge of lime around the edge of two glasses. Then roll the edges in salt or sugar.
Add ice to a cocktail shaker, then add agave, lime juice, mezcal and orange liqueur. Cover it and shake it up well.
Add ice to the glasses, then top with the margarita mix. Garnish with lime wedges.
Notes
Make them top shelf. Use top shelf tequila and Grand Marnier instead of triple sec.Make them non-alcoholic. If you wish for that tequila flavor without the alcohol content, use a zero-proof spirit like Ritual tequila alternative that has a smoky flavor built-in.