How should I store and maintain a display wakizashi?
Updated Mar 2026
Carbon steel blades require consistent care to prevent oxidation, especially in humid environments. The most important routine step is applying a thin coat of choji oil - traditionally used in Japanese blade maintenance - to the blade surface every two to three months, or more frequently in coastal or high-humidity climates. Use a soft, lint-free cloth to apply the oil in smooth strokes along the blade's length, following the grain direction. Avoid touching the polished surface with bare hands, as skin oils accelerate surface oxidation. When storing the wakizashi in its saya, ensure the inside of the saya is clean and dry - moisture trapped between blade and saya is a common cause of surface pitting. For long-term storage, a horizontal position on a padded rack inside a controlled-humidity environment is ideal. Silica gel packets placed near the display area help regulate moisture without direct contact with the blade.