Packed quilt as lumbar pad

This is a short video clip showing some features of my Zpacks Arc Haul Ultra 60L that makes it fit me extremely comfortably. The pack is loaded with 30 lbs of gear including a Bearikade Blazer bear canister. My quilt is loaded first at the bottom of the pack and creates a sort of lumbar support that helps transition the weight from the hip belt up onto my lower back. The horizontal carbon fiber stay and the arcs of the vertical frame stays keeps the bear canister from touching my back