- Special collaboration limited edition between lifestyle brand "momiji" represented by actor Kenichi Matsuyama and the Kawagoe Coffee Festival - momiji breathes new life into deer leather, which has not been fully utilized until now, and each item is finished by the hands of craftsmen to bring out the natural beauty of the material. It's a material that you can enjoy as it develops its own unique character the more you use it. Completely original strap The color is a single color, black, to emphasize the weave. The leather used is sumi-black (charcoal black). #KenichiMatsuyama #strap #coffeefestival #drinkcomparison #mugcup #momiji