[JerryG]

Great idea and a great thread Air. It looks like it is already a wonderful thread on Basic Motion.
I've been using Basic Motion as a platform for discovery. I can focus on just one aspect for as long as I want right in my own yard or basement without paying 15 bucks for range balls.
Recently, while tossing tennis balls in the yard for my dog Henry, I discovered basic motion striking tennis balls with a SW. It allowed me to exagerate the down motion a bit which then allowed me to exagerate my pressure points. I am soon going to do the same to isolate and hopefully internalise the accumulators.
I suggest giving the tennis balls a try. After my first session with those things my ball striking improved and has steadily improved from there.
Geez, this TGM stuff is fun.