Technology/techniques
1. The base preparation shall be carried out by one of the following methods:
(1) For a tannin base coat, apply a mixture of persimmon tannin, charcoal powder, pine soot, or oil soot, then sand it down repeatedly, and then apply persimmon tannin.
(2) For a rust-colored base coat, apply a mixture of raw lacquer and polishing powder.
2. The top coat shall be "Hana-nuri," "Kijiro-nuri," or "Kinmushikui-nuri."
3. When adding decoration, one of the following methods shall be used:
(1) For lacquerware with powdered gold, flat lacquerware, round powder lacquerware, gold ground, and vermilion polished finishes, after sprinkling gold powder, silver powder, vermilion powder, or other powders, refined raw lacquer is repeatedly rubbed into the surface.
(2) In woodblock prints, cloud shapes should be depicted.
(3) In the case of Aizu paintings, after painting the cypress fence, a diamond-shaped gold leaf is applied.
(4) In the case of iron rust lacquer, the painting is done using a mixture of raw lacquer and rust clay, and then the surface is polished by sprinkling with a mixture of ground powder and polishing powder, or a mixture of these with red iron oxide.
(5) In the case of colored powder lacquerware, after sprinkling the colored powder, polish it using Japanese paper coated with wax.
(6) In the case of chinkin, the process involves carving with a chisel, rubbing in refined lacquer, and then applying gold leaf or sprinkling powder.









