D800 + Grip with black rapid, how does it work?
It worked for me with both the Nikon and Pixel MB-D12 grip mounted with a 24-70 or anything lighter. The pixel grip did get a bit loose after a week however. A safer but not so common option is to clip onto the left side neck strap ring.
Nikon Zooms: 16-35/4, 24-70/2.8, 70-200 VR2, TC-20E3, 28-300VR.
Nikon Primes: 24/1.4, 50/1.8, 85/1.8.