How often your perform maintenance depends on what sort of blade you have and what you use it for. If you have an iaito from Japan that is made from Zinc/Alluminium you do not need to use uchiko powder because it will not rust. If you use it for iaido then you should oil it as and when is needed. However if it is for decoration only then once every two months should be fine.
It goes without saying, that Japanese swords are precious cultural treasures, but if it is handled roughly it might be damaged or might cause injury to yourself or someone else. If that happens, the value of such a precious treasure might be lost and we don’t want to embarass our Read More