Okay I mentioned a good few years ago about this girl who was in the doctor's waiting room literally slipping her feet out of her shoes and showing her soles straight in front of me. She is the first one from this blog post

https://www.getdare.com/bbs/blog.php?b=79971

Now my views on this have changed because she was obviously under 18 at the time. Although I'm 99% sure I see her regularly in the store I work in. She spends a lot of time wearing slip on shoes with no socks....