Hierarchy classification:

1. top of the aat hierarchies
2. Activities Facet
3. Processes and Techniques (hierarchy name)
4. [processes and techniques by specific type]
5. [processes and techniques by material]
6. hide and skin processing

Anotations

Scope note:

The process of enhancing or modifying the grain on a piece of leather by folding it grain side to grain side and working the fold across the leather back and forth either by hand with a board or by means of a boarding machine.