I think it would be lovely. In warm waters only. And with a loved one, erotic also. Heck even if not with a loved one
As far as nesting titan triggers and stinging jellies go - surely this would be a wonderful way to increase your situational awareness.
And as for the diver who got his finger bitten off by that moray. Well if you are really stupid enough to dangle the crown jewels in front of a moray then you truly - oh so truly - deserve to be a eunuch and to hold your head high in Darwin's hall of fame.