1 1/2 oz tequila
1 tsp Blue Curacao liqueur
1 tsp maraschino liqueur
1/2 oz lemon juice
1/2 tsp superfine sugar
4 oz tonic water

Combine the tequila, blue curacao, maraschino liqueur, lemon juice and sugar in a cocktail shaker half-filled with ice cubes. Shake well and strain into a highball glass almost filled with ice cubes. Top with tonic water, garnish with a maraschino cherry and an orange slice, and serve.