It was a myth growing up. Blood attracts sharks, but piss will keep them away.

So don’t try this at home… primarily because you probably don’t have shark at home.

Keeps the sharks away. Not sure about the moose, though.

Is this jacket or a shirt/dress? If it’s a jacket, You can take it off and put it through x-rays. If it’s a shirt/dress, I’m not sure of the consequences of walking through security naked or in your underwear…