-Please wash, rinse and dry your Pirge Knife gently before first and after each use - Please wash your Pirge Knife by hand to avoid any corrosion or damage can be caused by the dishwasher - Carry your Pirge Knife carefully to avoid any type of injury - Use your Pirge Knife on proper surfaces like polyetilene or wood cutting board, avoid using on marble, stone or metal surfaces to protect the edge - Pirge Knives can be re-sharpened with Pirge Sharpening Steels for a longer life time of the cutting edge. - Don’t use your Pirge Knife to open cans or to crack nuts