Satan's Whiskers Cocktail (Straight)

1 oz gin
1 oz dry vermouth
1 oz sweet vermouth
1 oz orange juice
4 tsp Grand Marnier
2 tsp orange bitters

Shake in an iced cocktail shaker.
Strain into a cocktail glass.
Garnish with an orange twist.

Haigh, Ted. Vintage Spirits and Forgotten Cocktails. Page 244-246. Beverly, MA: Quarry Books, 2009.