I like to clean my can opener from time to time. I pour vinegar onto a dishcloth that I keep just for this purpose. The vinegar I use is usually white, but I will use apple cider vinegar as well. It is always so shiny!
Choosing a Can Opener
DIY Paper Bottle Opener
Reusing a Garage Door Opener
Use Dawn and Baking Soda to Clean a Smooth Top Range
Sharpening a Handheld Can Opener Blade
Cloudy White Spots on Laminate Countertop?