I bought a bag of these little feet, to replace those on the metal basket in my sink.  The previous had molded a bit, and I was tired of cleaning them.  Fresh feet are always better then moldly ones, whether the feet belong in the sink, or on your body!  (ha!ha!). I am serious though I was relieved to discover that Kohler stocked these replacements.  So was the bottom of my sink, since they protect it from being scratched.