Personally I would be more concerned about that lurking great white.
Anything where you have to sign a disclaimer is bad news imo. Everyone does it blithely, but it does potentially invalidate your life insurance, which is a pretty serious business.
to a less naturally lubricated orifice
'If you were to try and bum someone in this vessel, how would you go about it?'
These are the questions the public wants answered imo.