Crush
Contributor
I am really surprised at the idea that anyone would configure their equipment in such a fashion as to preclude sharing gas.
Observation of a newb:
Disclaimer: I have done the NACD Cavern course only. I am not a cave diver.
I agree with TSandM in this: I too am surprised at the idea that anyone would configure their equipment in such a fashion as to preclude sharing gas. I am now in the habit of configuring my dives in such a fashion as to preclude diving with people who will require me to share gas (at least in an overhead environment) or otherwise get me killed.
In taking the Cavern course and diving in an overhead environment, I have come to appreciate that an "adequate" OW buddy can very easily get you very dead in an overhead environment - I observed this firsthand. It is one thing to imagine poor buddy choices in an overhead environment. It is another to realize in real-time "holy sh!+ dude - that was fu$k!ng stupid and you didn't even notice."
My challenge to OW divers - take a cavern course (or more) with your OW buddy. Then you will have an appreciation of whether or not you can trust their judgment.