2. When cutting the bone, touch the bone with the root of the blade and put down the knife vertically. If the bone is stuck in the blade mouth, it is not advisable to shake it left and right, and pull out the blade mouth. The correct way is to lift the bone together with the knife and then cut it until the bone is broken. Otherwise, it will cause the blade to break the steel into an arc gap, which belongs to improper use and is not covered by the warranty.
3. After each use, the cutter should be washed, dried and coated with cooked cooking oil, and placed in a ventilated and dry place, away from water and gas to prevent rusting. (Stainless steel knife will produce yellow spots when it comes into contact with carbon monoxide gas, so it should be prevented).
4, kitchen knives, scissors rust, you can carefully wipe it with a piece of sweet potato for several times, and then wipe it with a rag. After the kitchen knife rusts, soak the knife in rice washing water for 3 hours to remove rust.
5. Tool grinding method: when the knife is dull, add water and grind it back and forth on the grindstone several times at an angle of 15-20 degrees, which is extremely sharp.