Got me slightly worried. I usually carry the 7D or 5D with the right hand side in my hand with 2.5 kg of 300mm f/2.8 swinging from it. So far no trouble. Maybe I should have the lens carry strap over my shoulder?
5D IV, 5DS R, 7D II, EOS-M, Powershot G3 X, 400mm DO II, 300/2.8 II, 1.4xTC III, 2xTC III, EF 1.8 STM, EF 70-200/4 IS, EF 24-105, 15-85, 100-400 II, Sigma 10-20, Sigma 150-600mm C, EOS-M5 15-45, f/2 22, 11-22, Samyang 8mm f/2.8 fisheye