Since 2007, Shinwa Swords has been hand-forging their swords using ancient, time-honored tempering techniques that give them a custom look. Each sword is continuously heated, folded, hammered and shaped before being oil-quenched and then straightened. After quenching the blade is ground and hand-sharpened and polished by the swordsmith on a series of wet stones.Since 2007, Shinwa Swords has been hand-forging their swords using ancient, time-honored tempering techniques that give them a custom look. Each sword is continuously heated, folded, hammered and shaped before being oil-quenched and then straightened. After quenching the blade is ground and hand-sharpened and polished by the swordsmith on a series of wet stones.