Have you ever seen anyone dive a monofin?

Question

I was at a dive sit when this high school girl put on a monofin. She took of like a mermaid and very fast. I was very impressed.

Answer 1

My nephew uses one. Hes wery good. Im not gonna try one. Freaks me out. The thought of having your feet caught together like that underwater. Ha ha

Answer 2

I have a friend that free dives with one. They're not for me.