Great explainer videos. Chamfered bushings with integral crush washers. If they had the same beneficial effect as the TRD rear bar, that would be an even greater rigidity and stability improvement. DIY shade tree installation, especially of split units, would be somewhat problematic, though, requiring far more equipment than the TRD rear bar.
pickup today near Cal Poly Pomona gets you the best price. I'm only 10mins away, let me know if you are coming and the time..