In a shaker half-filled with ice cubes, combine the lime juice, sugar, gin, and bitters. Shake well. Almost fill a colling glass with ice cubes. Stir until the glass is frosted. Strain the mixture in the shaker into the glass and add the club soda.
In a shaker half-filled with ice cubes, combine the lime juice, sugar, gin, and bitters. Shake well. Almost fill a colling glass with ice cubes. Stir until the glass is frosted. Strain the mixture in the shaker into the glass and add the club soda.