New Riff Sour Mash Single Malt WhiskeyNew Riffs 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 Kentuckys sour mash technique. Distilled in a 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