1. First , In a cocktail glass, lightly muddle the bitters, lime, lemon and orange.
2. Seconds , Remove the fruit remnants and discard.
3. Then , Next, add the bourbon and vermouth to a shaker and fill with crushed ice.
4. Then , Shake vigorously and strain into the prepared glass.
5. Then , Stir with a bar spoon around the inside of the glass to incorporate the bitters and fruit oils.
6. Finally , Garnish with a lightly crushed maraschino cherry.