Perhaps they could make one for scubbies that get to close to Coral reefs
In all fairness, I'm a gadget freak and would be the first in line but at the same time, we haven't had one up until now and people have been freediving/spearfishing/shell collecting etc for a few thousand years without one??
I've shown newbies how to use a sled many times, and something I always drill into them is, don't go down further than a depth you could fin up from anyway, because if it does go wrong you can still come up........and live!!!
The same can be said of this vest, don't push it's limits and it won't push yours.
Same can also be said for buddys that don't know what they're doing
