The way I interpret the YouTube video is they show the difference between the air bags by themselves and the WDH by itself. The WDH did better is the test, but they did not address using both to get the correct results. Even the WDH results were not totally correct. So my question is this now, what about using both? I need a set of scales (eight of them) to prove my point. PS> I worked many years with laboratory testing on other type products so I do understand these. Just not with hitches. I would love to see what they say about using both, pros and cons you know.
Thanks for sharing the video, very helpful
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