I guess I could have explained that better. If you look at this photo, you'll see a bulge above the two oval shaped stampings. That's the door pull. Over the decades, they always seem to crack out. He welded in short sections of tube/pipe on the inside to eliminate the flex. These doors will never crack again.
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These were pretty sparse from the factory. No armrests or grab handles, just a ledge below the glass. Hell, the door panels and headliner were cardboard. They don't have much in the way of cushion either. Slam the door with the window rolled down and it's almost guaranteed to crack the glass.
