Option 1 (Direct & Informative): Think WD-40 can sharpen your dull knife? Think again! Here's the real deal on using WD-40 for knife maintenance. Option 2 (Cautionary & Clear): WD-40 is NOT a sharpener! It's a lubricant and cleaner. Using it can actually ruin your blade's edge. Learn what it should be used for in your knife care routine. Option 3 (Short & Punchy): Spoiler: WD-40... https://knivesarea.com/best-fillet-knife-sharpeners/