This workshop is located in the mountains, slightly far from the historic centre of Sekishū Washi, because the family had done also forest work.
Mr Kawahira Masao and his son Isao are quite curios to improve their product, like using Titanium coating board and developing the paper thread. And also, cooking Kozo with Lime based on an old book.
Although following the tradition is essential, not blindly doing it, changing and challenging are also crucial like them.