James Bumbery at Pour in Mt. Kisco designed this one.
2 oz. Pimms No. 1
3/4 oz. Royal Rose Cardamom-Clove Syrup
1/2 oz. Domaine de Canton
1/2 oz. fresh lemon juice
2 dashes grapefruit bitters
Shake ingredients over ice. Serve straight up in a chilled cocktail glass and garnish with a lemon twist.