Masses of water moving around are really powerful. They toss around and break human bodies. As a mediocre surfer, I imagine it would be quite difficult to deplo

Masses of water moving around are really powerful. They toss around and break human bodies. As a mediocre surfer, I imagine it would be quite difficult to deploy an emergency air system while being tossed around by a wave, and that a permanent breathing tube would need a pretty hefty retention system to keep it from getting knocked off or damaged.