Tartan Swizzle

2 oz. Scotch

1 dash Bitters

3 oz. Club Soda

1 1/2 oz. Lime Juice

1 tsp. Sugar

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