Begin by preparing your glasses. Take one of the lime quarters and make a small slit in it. Run the lime around the edge of each glass to moisten it.

Pour some coarse salt into a shallow bowl. Dip the rim of your glass into the salt, coating it evenly.

In a blender, combine the sweet and sour mix, triple sec, tequila, and orange liqueur. Blend until smooth.

Chill the margarita mixture in the fridge until ready to serve, or pour it directly into each prepared glass filled with ice cubes.

Serve cold, garnished with a lime wedge.