Send us Fan Mail We crack open a J Rieger Co private stock single barrel bourbon and chase the story behind how it was picked, bottled, and shared. Along the way, we pull on threads from Kansas City whiskey rules to sweet mash fermentation, then land on whether the regular shelf bottle is an easy buy. • what a private select single barrel program looks like at the distillery • filling your own bottle on tour and signing the barrel guest book • the Rieger hospitality center ...