Sway problem need help

As others have said, too little tongue weight. I have seen attachable platforms that connect to the back of the travel trailer that work, but they have a single swivel wheel under them to take the weight rather than pivot the weight away from your tongue like you are doing. I don't like toy haulers, because to get one that I do like, it needs to have a garage where the Harley is not in my living space and frankly, all the toy haulers I looked at were just too utility looking for me. What I did, was purchased a Rampage motorcycle loader http://www.rampagelift.com and installed it in the back of my truck. I can load the Road King and shut the tailgate (tailgate comes off to load and unload) and I keep a Truxedo tonneau cover on the truck. Works perfect and I get to take the Harley with me. The other thing I invested in for safety is the ProPride 3P hitch. My 33 foot Outdoors RV Blackstone tracks like it's on rails!