Claustrum

CLAUSTRUM is a Tokyo-based brand that produces innovative metal accessories with unique functions, including one-hand operation and smart motion. Prioritizing research, development, and material choice, the aim is towards design in its purest form. Partnered closely with factories throughout Tokyo, CLAUSTRUM products, such as pens and cardholders, are assembled and hand-finished at their Tokyo-Ginza studio, which also offers maintenance services for long-term usage.