Vermouth Cocktail

In a rocks glass, with or without ice:

- 3-4 oz chilled sweet vermouth (Carpano Antica, Dolin, Punt E Mes)

- orange or lemon peel

- Optional: Add .25 oz Crude Barrel-Aged Black tea shrub

Top with 6-8 drops of your choice of bitters. "Rizzo", "Sycophant", "Bitterless Marriage", "Big Bear", “Apothecary 18”, Pear and Hazelnut, Cherry and Walnut, "Lindsay", "Attawanhood", Spruce and Birch, Sweet and Thai Basil, or either “X” bitters