~ Hattori Masanaga ~ Tsuba, Kozuka and Menuki Artisan.

*Copyright Disclaimer* I do not own this video. It has been uploaded by me purely for the purpose of study and research. All copyright ownership belongs to the Nippon Television Network Corp. and the Tokyo Minato-Ward Board of Education. Hattori Masanaga is a Japanese Tsuba, Kozuka and Menuki Artisan living in Japan.