NOT KNOWN FACTS ABOUT KATANA SWORDS

the normal oil employed is chōji oil (ninety nine% mineral oil and one% clove oil for fragrance). in the same way, when saved for more time periods, it is vital the katana be inspected commonly and aired out if important so as to reduce rust or mildew from forming (mildew may feed off the salts while in the oil employed to polish the blade).[eight