I think they
are a very respected regulator amongst those who use them Fiona.
I seem to remember that UK cave/sump just divers love them, and indie divers also like them because they can have one over each shoulder, usually clipped off close so that they can swap reg's every 50-100 bar, although I'm not sure how this would help an OOG buddy desperate for gas, but then I personally wouldn't dive with someone who had both reg's necklaced, it show's an incredible disregard for any buddy...
Now ,before all you independant divers start pulling out the flame throwers, I know it doesn't apply to everyone so chill out, but I've seen many that do necklace both reg's and I've often wanted to go up and ask them what they would intend to do if another diver required their help.
But anyway, that's a digression from this thread, sorry Dom, Carry on..
