All parts of the gluing area and all parts of the finishing area that may make contact with the mouth are done with hon-urushi lacquer, wood powder, or grit.
![](https://arigatou.life/wp-content/uploads/2022/12/4637111_m-1024x768.jpg)
All parts of the gluing area and all parts of the finishing area that may make contact with the mouth are done with hon-urushi lacquer, wood powder, or grit.
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