That looks like a recipe for lungs stretching, the bends and potential poisoning from polluted air. Scuba diving IS a dangerous sport and that thing is violating ALL the basic safety rules 
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I agree with Luciano, you need to have proper training before scuba diving. It is not as simple or safe as snorkelling.
End of conversation
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So it’s geared towards men? My current air bags are not removable and would get in the way.pic.twitter.com/EqUszuh5zi
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