NorCal Underwater Hunters Discussion > Hunting Clinics & Freediving Classes

Shallow water black out prevention,

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MATT MATTISON:
A buddy of mine from socal posted this on SB and since the topic has cvome up on here I figured it would be handy to re-post it here and we all might learn somthing.

http://shallowwaterblackoutprevention.org/index.php

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