New Riff’s Sour Mash Single Malt Whiskey is a provocative new riff on the hallowed traditions of malted barley. Comprised of up to six different mashbills, and slowly matured in a multiplicity of cask types, this unprecedented whiskey welds Old World inspiration to Kentucky’s sour mash technique. Distilled in our column beer still and doubler, it weaves a wealth of malty flavors into oaken age: a bold new concept in the time-honored Kentucky whiskey regimen.