A couple of months ago I managed to do something pretty painful to my shoulder that's going to take a long time to fix. This has made holding a heavy camera/lens combination more difficult and I've noticed that I'm nowhere near as steady as I'd like to be for slow shutter panning work. I've tried using a monopod but I just don't find it useful or comfortable.
I've kept my eye out for a decent sturdy rifle grip for a few years now but the injury made this more a priority. I'd nearly got to the point where I was resigned to fabricate something for myself when I came across a place in the US which makes what looks like the ideal product so I thought that I'd share this discovery.
The company is BushHawk
http://www.bushhawk.com and whilst it's a pity that you can't find their camera supports in the UK, you can at least order from the website.
I wonder why these things seem to have either gone out of fashion over here or never really caught on in the first place. If anyone's interested I'll post my initial impressions once it arrives.