>>228
一先ずこんな感じで

黒錆固定1
https://soloniwa.jp/opinel-review/
黒錆固定2
https://kurashi-no.jp/I0012265
失敗談
https://www.google.com/amp/s/sotoasobiya.club/2019090211477%3Famp%3D1
鏡面加工
https://monorebyu.com/archives/6994.html