Nakagawa’s discusses the significance and responsibility of being a Japanese Living National Treasure and the history of the appointment. He describes his background, training as a product designer and then worked as a graphic designer. When he began working with metal inlay, due to the lack of knowledge of the Kaga Zogan method, Nakagawa found himself in a position where he was required to make his own tools and perfect his methods. He incorporates 300 different chisels in order to create his inlay projects. He then discusses the process he utilizes for his projects, as well as stating that his title was received due to his ability to incorporate five different types of metal sheet inlay, while others in the craft simply glued them together.