If there was an air outlet, the water pressure would force the air out of the bag. It’s clearly inflated at pressure in the image, proving it must be (mostly) airtight.
As long as the river crossing doesn’t take (significantly) longer than around 5-10 minutes, there’s probably enough air volume in that bag for CO2 levels (which are actually the more accute problem in an airtight space, not oxygen) to remain acceptably low
Yeah I can think of plenty of crossings just within 100 miles of me that I’d hate to have to cross on foot to take my kid to school every day but if I had to do it, it would be worth it for their development, self esteem, and best shot at success - as long as I could do it safely. Good dad.
If there was an air outlet, the water pressure would force the air out of the bag. It’s clearly inflated at pressure in the image, proving it must be (mostly) airtight.
So it could be no snorkel or one with a valve. Either way, plausible enough. Kids are tough.
As long as the river crossing doesn’t take (significantly) longer than around 5-10 minutes, there’s probably enough air volume in that bag for CO2 levels (which are actually the more accute problem in an airtight space, not oxygen) to remain acceptably low
Yeah I can think of plenty of crossings just within 100 miles of me that I’d hate to have to cross on foot to take my kid to school every day but if I had to do it, it would be worth it for their development, self esteem, and best shot at success - as long as I could do it safely. Good dad.
That’s it. Get a bag and go find a river you two.