The Cave idea is very dangerous. You have to blow out all your air and accent very slowly. Panic can easily set in. I would never want to do it unless with someone trained in teaching it. Sounds like it would cost allot more then you think.
__________________
When I let go of who I am, I become what I might be
"If I get contractions at 400 metres underwater, and the Klingons submersible appears, and Spock's dad swims by, am I Aquaman?" - Erik
|
