Daily Maintenance ⑴.Please don't use the non-cleaver knife to chop bone or slice other hard objects like fish bone, solid herbs, frozen foods. ⑵.After every use, please rinse it timely, wipe with a clean towel, and then put it in a ventilating place to prevent the blade from being corroded by acidic and alkalic substance which will result in rusty. (Note: Any stainless steel may get rust without proper maintain) ⑶.To prolong the anti-rust function, don't recommend to let the acidic or caustic juice like tomato or lemon remain on the balde for a long time.