Michter’s Sour MashUnlike many respected whiskey producers who create small batch whiskeys from hundreds or thousands of barrels, Michters limits its small batch size to twenty full barrels. This intentional choice ensures that Michters does not have the option to blend out any sub par barrels, as their equipment is specifically designed to accommodate a maximum of twenty barrels. While the Sour Mash moniker originated from the whiskey production process of the same