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.
The farmer's walk is as old school as it gets – just grab a pair of heavy weights and walk! But with just a few technical tweaks, you can take the farmer's walk to the next level of safety and effectiveness.