Rim the glass
Sprinkle the Tajín or coarse salt. on a small plate
Swipe the rim of the glass with a lime wedge
Dip the Glass in Tajín or coarse salt.
Build over ice
Fill the glass with fresh ice.
Add 2 oz blanco tequila and 1 oz fresh lime juice.
Top with bubbles
Slowly top with Topo Chico (4–6 oz).
Gently stir once or twice to combine without killing carbonation.
Garnish & serve
Add a lime wedge/wheel.
Serve immediately—ice cold.