2021 – r/bourbon Backbone 6yr Straight Rye “Brain Drain IV”
![](http://westspirits.com/wp-content/uploads/2021/11/Brain-Drain-IV-Backbone-Rye.png)
Design: t8ke
Year: 2021 by t8ke, WhiskeyCurator, G-List
Info: Barrel #S014, Distilled 1/2015, Bottled September 2021, 59.7% ABV
Notes:
Additional Info: Selected alongside Backbone Bourbon Mezcal Finish, Backbone Straight Bourbon “Bourbon Is Art Series III”
Series Information: Exists in a series with Knob Creek Single Barrel Bourbon “Brain Drain”, Bulleit Single Barrel Bourbon “Brain Drain II”, Knob Creek Single Barrel Rye “Brain Drain III”