NuLu Bourbon Private Barrel No.52"Bottled at cask strength, the new NULU Straight Bourbon is unfiltered and single barrel. ? That means you get to taste exactly what comes out of the barrel and it? s not easy to find that feature on the shelf,? says Harrison Hyden, Master Distiller with Prohibition Craft Spirits. While there are always experimental batches and new things to offer at the bar and gift shop, the NULU Straight Bourbon completes and compliments the set. Nose: The nose