The Juryoku-Maru: San, an original sword commissioned by Casio for the MR-G line, brings the katana and MR-G design together ... blue shell lacquer scabbard is designed by traditional artisan ...

This serves both to protect the blade and to give it its signature wavy design called the hamon, which later polishing will reveal. The swordsmith then places the katana back into the fire to be ...