Kosher salt
1 grapefruit wedge
2oz. fresh grapefruit juice
½ oz. fresh lime juice
1 teaspoon sugar
2 oz. Tezcazul Blanco Organic Tequila
2 oz. club soda
Pour some kosher salt on a plate. Rub half of rim of a highball glass with grapefruit wedge; dip rim of glass in salt.
Combine grapefruit juice, lime juice, and sugar in glass; stir until sugar is dissolved.
Stir in the Tezcazul, add ice, and top off with club soda. Garnish with grapefruit wedge.