This video is in Japanese, and there are no English subtitles available, but you don’t need words to understand what’s going on, and it’s a thing of beauty to watch these gifted hands in action.
[The Fascinating Repairmen. #013 “The Book”] (Viewer #830,033)
I understand just enough Japanese to have gleaned that the restorer, named Takahashi, has been doing this for thirty three years.