Interesting. In south FL you can (or could, been a while) hit certain places and find the keyhole variant by the hundreds. Fascinating creature, all those tube feet to move. It’s illegal to take them but that didn’t stop shops from selling the ones that “washed up” which doesn’t really happen.

But for some reason people actually buy them. It’s a skeleton of a creature someone scooped up and let bake in the sun for a month. Kinda creepy!