The finished product is packed into wooden casks lined with brown paper.
It is usually sold in " tierces," that is, casks containing about 'o cwt.
What sets Black Bush apart is its aging in sherry casks for approximately 10 to 11 years.
The smaller oak casks are then taken outside to age for a full 12 months.
Until recently, all draft beers were delivered to pubs in oak casks, and each brewery employed coopers to make and repair them.
