Taking your reg out and tapping the purge makes a surprisingly loud booming noise under water. Maybe not the optimal way of attracting attention, but one to add to the list of how to annoy people underwater at least.
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When doing my OW, the instructor had a Quacker. I was quietly giggling into my reg each time he quacked us all to attention. It worked well!
At least you'll be at their inquest. Something that needs to be hammered home to people who're not quite as good as they think (and we're all -- or were -- guilty of that). Oh the arrogance of ignorance: I don't know what good is, therefore I'm good. Only later do your toes curl at the thought of how you were and what you didn't know then that you do now.If a so called "buddy" just goes, bugger them, 'see you later, maybe' I refuse the fin after them.
Ever had a buddy that has made you think " what am I going to say at the inquest?" Danger to themself and others.
57m on a single tank ?If your are in the tropics use a plastic water bottle by rolling it between your hands, you'll get your buddies attention and then some.
Shark Attack at 57 Metres in Papua New Guinea (extended version) - YouTube @2:35
Hey it wasn't me!!57m on a single tank ?
Yeah I know. But wtf? No way right?Hey it wasn't me!!
Maybe they had big tanks with cave fills.Yeah I know. But wtf? No way right?