The weight of the bar is in your hands. Keep your joints stacked and in a straight line. Unrack the bar in this position.
Push Press Grip
Think about setting up almost like a front squat, fingers underneath the bar. Your body actually unracks the bar. This is an open grip. Your thumbs are not wrapped around the bar at the beginning.
James Chan is into machine gunning, shot guns, and cross wiring. If we didn't know better, we'd think he was one of those militia guys holed up in some shack in Montana, swearing never to be taken alive.
A while back here at T-Nation, I released a series on what I called Pendulum Training. This is basically a training system that has you switching from structural training to functional training every week.