Remove the can opener from the base plate.
Clean the blade with a scratch pad, or metal scraper.
Note: You may remove the cutting blade by loosening the two screws shown in the picture above.
Use a scratch pad to clean the can opener thoroughly. Remember to scrape the blade to clean off any debris.
Don't forget to clean the can opener's base plate.
Use a clean towel to apply a coating of mineral oil to the can opener.
Return the can opener to the base plate. It is now clean and ready for future use.