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this a great idea, do you have any idea if it would work on a gregory pack? is there anyway the camera could slide out of the slot if you bent over or something? does this stop it from bouncing off your chest or does it still bounce to some extent? thanks [/quote]

FYI no this is not compatible with (at least my) gregory packs. It requires a 1 inch strap running down the top of your shoulder straps with the Gregory Baltoro at least does not have. I'm going to see about sewing some strap onto my Baltoro so that I can attach it.