Ger Buckley Master Cooper for Jameson Whiskey at @jamesonhosts showing how to rebuild barrel. . A Master Cooper is needed to inspect, break down, repair, and rebuild barrels, and there simply aren’t that many of them around any longer. . . . #middleton #jamesondistillery #jamesonhosts #jameson #cocktailsforyou #c4you #copper #mastercopper #barrel #whiskey