Pour the vodka, fresh lemon juice and sweetened maraschino juice into a cocktail shaker half-filled with ice cubes. Shake and strain into a tall glass (12-16 oz) half-filled with crushed ice. Fill with club soda. Garnish with a slice of lemon and a maraschino cherry. Add a teaspoon of sugar optional. Serve.
More info on how to make a Maraschino Collins