Jeykll and Hyde

1 1/2 oz. Eagle Rare 10-year
1/2 oz. Laird's Bonded
1/2 tsp. Cinnamon Bark syrup
1 tsp. Demerara syrup
2 dashes Bitter Truth Aromatic bitters
2 dashes Angostura bitters
1 Orange twist
1 Lemon twist

Prep garnish - lemon & orange twists.  Stir everything over ice then strain into a double rocks glass over 1 large ice cube.  Add orange and lemon twists.

Went with an Old Fashioned variant for my first drink outside the 'Classic & Vintage' chapter.  Enjoyed a few with a neighbor.