Craft production remedy the inefficiency of mass production through the elimination of waste. Craft production is a part of the informal economy in many cities, such as Istanbul, Turkey where the informal craft economy is a vital source of income for the Turkish craftspeople. Craft markets are highly dependent on social interactions, and verbal training which results in variations in the goods produced. Often, the craft economy consists of craft neighbourhoods, by which a community is structured on the craft activity present in the area. Often used in the household, many craft goods such as historic Muman Pottery in Korea, originated from
Saggar were expected to last for about 40 firings; each potbank made their own in a saggar making workshop. Saggars were made from fireclay, by a "saggar maker" and two assistants: the "framemaker" and the "bottom knocker". The framemaker beat the clay into a sheet on a metal table using a large mallet, the "mow" or "mawl". Using a "frame" he would cut it to size, sprinkle it with "sawdust" and wrap it round a wooden block to make the walls. The framemaker was usually an apprentice in his late teens. The bottom knocker, usually a boy in his early teens,