Playing the Guitar-Hero u/w is at least not directly harmful to the environment...
Gerd Niem - CMAS***/Insurance
July 21, 2007 at 02:18:49
So maybe by keeping their fingers on their "instruments" they are keeping them away from the coral.
BTW: If you want to see a really awkward example of a guide who\'s really touching everything alive, have a look at this video taken at the favourite foreign diving location of the USA...