Yoda turned me on to this. I think it can help anyone that uses it. Make yourself a Golfer's Flail as pictured in 2-K#4 &#5 on page 34. The Golfer's Flail is a Mr. Kelley concepts as opposed to the Standard Flail.
My Flail, however, ends where the swivel (as pictured) begins, at the left elbow. I also put a large screw in it that does not let the secondary lever move past the level (4-B-1) position, allowing for the feel of the Rhythm #3 Accumulator. It really helps. I incorportate it into almost all of my lessons. After all the number one alignment is the flat left wrist (Law of the Flail 2-K).