It was published in eBOOK, Mr. SCHICK, the world's casisoli manufacturer.

I have an interview with Mr. SCHICK. Thank you. It is an e-book and can be viewed in PDF.

from the old Kamisoli to the present. It's a lot of knowledge, including the design of the jigge. Hideki TAKEDA and Kamisori Club, the group of Chikuuchi TAKEUCHI, have appeared in the film.

https://www.schick-jp.com/smagazine