There was an introduction to FAL and Teragaki Lab on Youtube, so I will link to it here.
At FAL, the commitment of the designer, Mr. Furuyama, is depicted in a documentary.
https://www.youtube.com/watch?v=TLSVbpMjnDQ
https://www.youtube.com/watch?v=wMAOoOcGHZs
Introduction of Teragaki Lab
https://www.youtube.com/watch?v=o1WGcH7t0PU
Both are all handmade and custom-made. It is particular and sounds wonderful.
We handle it at our shop, so if you are interested, please do!