Technology/techniques
1. The woodworking process shall be carried out in one of the following ways:
(1) In the case of bent metal products, the process shall be either "hot water bending" or "turning bending".
(2) In the case of joinery, fastening is required.
(3) In the case of turned objects, the shaping shall be done using a lathe and a lathe plane.
2. The base preparation shall be carried out by one of the following methods:
(1) In the case of a tannin base coat, apply a cloth, then apply a mixture of raw lacquer and charcoal powder, and then polish with charcoal.
(2) For a lacquer base coat, apply a cloth, then apply a mixture of raw lacquer and ground powder, and then sand the surface.
3. The top coat should be applied using refined lacquer in a "flower pattern" or "roiro pattern."
4. When decoration is to be applied, it shall be done using maki-e, chinkin, aogai-zaiku, or iryū-e.








