I have experience with instruction under Rotary Swing. It was not positive.
I was a 20 handicap player when I found the Rotary Swing website. Like many amateurs I had hit the limits of my swing. I am athletic yet I don't understand how to correctly hit a golf ball. I've read a lot of golf swing theory and have tried different swing methods to little success. I suffer from consistency and distance problems. Every now and then I was able to hit solid compressed shots but that was the exception and not the norm. Naturally the Rotary Swing marketing appealed to me. Simple instruction that promised how to gain effortless power by lagging the golf club and releasing that energy through the ball. Sounds perfect!
I live in Tampa so I scheduled a lesson with Clay out of Orlando who is Chuck's protege instructor. During the first lesson Clay taught me that my swing was too body orientated. He instructed me to swing more with my arms from the top, actively crossing my right arm over my left through impact (I'm right handed) while keeping my shoulders closed to the target. Of course this felt extremely weak to me. It was a weak arm flip but Clay was insistent that this was a major factor contributing to my inaccuracy and lack of swing speed. Clay assured me that I had the fundamentals and athleticism to be a scratch golfer and that I should be able to pick up this new swing change in no time. I spent 2 weeks practicing this new armsy downswing. Of course I got progressively worse. At my second lesson with Clay I explained that I was practicing the moves he instructed but I was getting much worse. He assured me the moves were correct and that every professional golfer did them. He said all I needed to do was continue to practice them and I'd get better. And of course another month of practice left me significantly worse.
Now, I understand that when someone is learning new movements in the golf swing it is natural that it takes a little time to adjust. But after 45 days I would expect some measure of progress. So, at this time I wrote off Rotary Swing and Clay's instruction. Clay had posted video to You Tube of one of my lessons has a student testimonial to the wonders of Rotary Swing instruction. I then posted a comment stating that I was the student in that video and contrary to Clay's commentary I had gotten worse and not better. Clay responded shortly afterward stating his instruction was still correct and the problem was that I didn't have more feedback regarding my practice. He said 2 weeks to a month between instruction wasn't enough and that I needed daily feedback. He then advocated the Rotary Swing's new online learning group. For a nominal monthly fee I could post video of my swing and get feedback from Clay directly on a daily basis. At first I didn't think it was a good idea. The instruction I had received to that point hadn't helped me and I really didn't think it had anything to do with my practice. A few emails back and forth allowed Clay to be insistent that he would improve my swing in a months time. He sold me on the idea that his system can truly teach me how to effortlessly hit a golf ball. He's a good salesman.
So, I spent the next nearly 2 months following his instruction via the online learning group. This instruction consisted of me posting video, Clay taking still snapshots from my video and comparing it to a pro (normally Tiger Woods). Clay would then instruct that I need to look like the pro. This was the entirety of the instruction. Trying to mimic static positions of professional golfers. There was little to no instruction on how to actually move to get into those positions. Every day that this went on my golf swing became worse. It became disconnected, mechanical, nonathletic, and slow. Of course, when Clay asked me how it was going I would tell him the truth. He didn't want to hear this but he's very polished and didn't lose his cool. Every time I told him I was getting worse he'd find a different part of my swing that needed to look more like Tiger's or that I needed to give it more time. We constantly changed direction from downswing, to transition, to takeaway erratically. Clay had no plan of instruction, only reacting to my unhappiness at getting worse and worse. At the end I was unable to hit a golf ball at all. I went from a decent weekend golfer with a 20 handicap to someone who couldn't beat the ball around a golf course under 120 strokes. My friends were astonished at the transformation. At that point I asked Clay how this could have happened. The cracks in Clay's salesmanship veneer started to appear at this point. He tried the old tactic of pointing out other things in my swing that needed to look more like Tiger Woods or Adam Scott or whichever pro he favored at the moment. And then he stated that he couldn't make me better, he could only give me instruction, only I could make myself better. Please keep in mind I had done nothing but follow his instruction and post videos daily to his learning group for the past 2 months. I asked Clay point blank, is there anything else in your instruction beyond comparing snapshots of my swing to a pro? He answered in the negative and that was the end of my instruction.
Afterward I went to the student You Tube video he still has posted to review my old comment and noticed it had been removed. So I just posted another comment of my experience with Rotary Swing. This is just my experience and I'm sharing it knowing that someone out there has probably benefited from Rotary Swing (or thinks they have). For me it was a huge waste of time, energy, and money.