1.5 oz S.O.B. Bourbon
.5 oz Fresh Lemon Juice
.5 oz Napa Valley Bitters - Island Ginger Syrup
4-6 drops Toasted Oak Bitters
Add all ingredients to a cocktail shaker with ice. Shake well. Strain into a glass or copper mug filled with fresh ice. Top with soda water if desired. Garnish with lemon wheel.