Try google carryspeed.
The metal mount is already much better than other camera strap out there
D800E / Tamron 28-75mm f2.8 / 150-600 Tamron
Look at this links to a video for more details on what an L plate is. And why some of us use it to ensure a stable platform between camera and tripod mount and a quick means to changing from portrait to landscape with a minimum need to readjust the composure of a shot.
Last edited by sammy888; 12th October 2014 at 02:13 AM.
A good photo's 45% you, 45% practice & 10% equipment. A bad photo share the same ratio.