While you are on the site, in your browser find and click "Add to Home Screen" A CGN beaver app icon will then be created to your phone that is directly link to the site.
Note: This feature may not be available in some browsers.
Stainless will not stay sharp as long as most other blades. You can wire wheel or use paint stripper to clean them.
But I think most people over think the cross contamination. I should have been dead 60 years ago.