Rich Keller
Contributor
I don't know what's going on, but I use nomad ring bungees. Works great fr boat diving. Clip in your tanks and they automagically move into position once underwater. On the way out of the water up the boat ladder the weight transfers from the bungees to the metal clips. No messing around with bungees underwater.
Its td go some downsides but for ow recreational diving it's great.
This makes sense to me, the top of the tank is always secured and you still have a range of motion if needed. I would only be using this for OW recreational. This could make for an interesting winter project.