WDH with sawy control, best bang for buck?

Well, i just discovered something quite interesting. I was doing online shopping, BIY is the BO expensive! I found a few videos, and I what I can't figure out is how the BO stops sway considering its not much different than the setup I currently have. Uses bars and chains just like the Husky. The other ones use friction, which makes sense, or cams. So anyway, moving on, the very next video was top 10 hitches, and guess which one was #3 in the list. The husky I currently have. I am not crazy about the friction bar, but its only $50 and works with what I have, where the other ones are $600+. It could be that because the trailers nose was higher than it should be that induced more sway than it should yesterday, so I will just go ahead and set the thing up correctly for now, take it for another drive and see if it is less prone to sway, and maybe consider the friction bar add on for it for now. That $600 is quite a bit of cash to put out when I already have a decent setup now. Only real reason I considered it is it is already configured for my horse trailer, which I haven't pulled now for quite a few years. last time it was tagged was 2004. Thanks for the insights though, at least I know what works best by those who use them.