Right now, Japan's traditional undergarment, the "fundoshi," is gaining renewed attention. Its popularity is gradually spreading to include actors and celebrities. Amidst this trend, a new fundoshi designed to relax both body and mind, "
sharefun," is achieving explosive sales growth. This time, we interviewed Keiji Nakagawa, the developer of "sharefun" and chairman of the Japan Fundoshi Association, about the allure of fundoshi and the secrets behind "sharefun's" popularity.