Japanese typewriter. 2:16 video:
https://www.youtube.com/watch?v=1fYh1oEPKik
Previously:
https://www.homemadetools.net/forum/...100#post176282
https://www.homemadetools.net/forum/...711#post151975
https://www.homemadetools.net/forum/...294#post150318
https://www.homemadetools.net/forum/...8302#post87205