Rabbit Hole Cavehill Kentucky Straight Bourbon Whiskey is the perfect addition to any whiskey connoisseur's collection. Crafted with a carefully chosen mashbill of 70% corn, 10% malted wheat, 10% malted barley, and 10% rye, Cavehill has a sweet and spicy flavor that is sure to please the palate. Aged for over 6 years in charred oak barrels, this straight bourbon whiskey stands out from the rest.