Rust on pocket knives can degrade their appearance and function, but it can be effectively removed using household items like white vinegar, baking soda, lemon juice, and potatoes. Gentle scrubbing with soft brushes or fine abrasive pads helps lift rust without damaging the blade. Aftercare, including thorough drying and oiling, is crucial to prevent future rust. Proper storage and regular maintenance keep your knife in optimal condition for years to come. This guide provides detailed, safe methods to restore and protect your pocket knife from rust.