Rabbit Hole Distilling, founded by Kaveh Zamanian, makes its Kentucky straight bourbon whiskey from four grains: 70% corn, 10% malted wheat, 10% honey malted barley, and 10% malted barley. It is aged in toasted and charred new American oak barrels (char #3) and is bottled at 47.5% ABV. Note: This product was rebranded as of September 2019 with "Cavehill" added to its name. It is the same whiskey as Rabbit Hole Kentucky Straight Bourbon. Only the packaging and name differ.