Anyone else have feet that can do this when you flex your toes

This toilet seat has a thing to lift it with your foot. : r/mildlyinteresting

ATLA] How do Earth Kingdom soldiers protect their feet if they need to be barefoot to Earth-bend? : r/AskScienceFiction

I have webbed feet am I able to do Brazilian jiu-jitsu? : r/bjj

Anyone else have feet that can do this when you flex your toes. : r/flatfeet