It begins with a high Corn mash bill (keeping a dash of Rye, of course), which is their signature grain's other half. Whether you pick Bourbon or Rye, you can maintain it 100 by aging it for six long years in Char #3 barrels, which adds layers of flavor before bottling at 100 Proof. Use a standard shaker or drink it straight up. PiggyBack 100 Proof Bourbon, which has a sweeter flavor profile, excels in citrus and sour beverages, such as their Barrel Aged Maple Bourbon Sour.