Using your Ka - Bar USMC Fighting Knife is straightforward. For cutting tasks, firmly grip the knife by the serrated leather handle and use the parkerized blade to slice through various materials. When handling the knife, always keep your fingers away from the blade's edge to avoid cuts. To maintain the knife, clean it after each use with a dry cloth. If it gets wet, dry it thoroughly to prevent rust on the parkerized blade. You can also apply a light coat of oil to the blade periodically for added protection. Store the knife in a dry place, preferably in a sheath to protect the blade and prevent accidental injuries.