Attention all wannabe sea creatures: you can buy a mermaid tail on the internet now, and it's nothing like the little kid costumes you're picturing in your head. No, no, these babies are authentic.

Matthew: So, I have been making mermaid tails for over 10 years. One of the major questions I get is, "Who's buying these tails?" It's mainly models, hobbyists, performers. I do a lot of music videos, ...