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To give yet another view - I use mine strapped to my main 15l cylinder using pony cam bands with the pony valve-up. This is a very common configuration you'll see on uk dive boats but has disadvantages. There are two cam bands but the system as a whole is not 100% secure, also you can't access the valve if it free flows etc. However it is a convenient and easy way of attaching a pony and the free flow is only an issue if both free flow simultaneously. I find it a comfortable way of diving but I think the side slung option has merits too.
I am doing dives to 35m using nitrox and short (15 min) deco hangs happily with this system with loads of gas to spare. I don't use the pony during the dive, it is reserved for emergencies only (never used in anger in fact).
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"Extremism is so easy. You have your position and that's it. It doesn't take much thought. And when you go far enough to the right, you meet the same idiots coming around from the left"
Clint Eastwood 2005 |