Heavens Door 10Yr Master Blenders Edition Finished in Redbreast Casks – This limited release was finished for 15 months in casks used for the 12yr Redbreast Single Pot Still Irish Whiskey. Heavens Door 10Yr Master Blenders Edition Finished in Redbreast Casks was made as a tribute to shared Irish and American artistry. Heaven’s Door and Redbreast collaborated on this 10-year-old Heaven’s Door Straight Bourbon Whiskey. Best enjoyed neat or on the rocks.