[tongzilla]

Interesting to see how someone else putts

In "Face On View 2" it's obvious that you have not rocked your shoulders, the motion being purely with the arms. So when does the rocking forward of the shoulders begin?

Yoda is not actively trying to move his Shoulders. Instead, the Right Shoulder acts as a Launching Pad or backstop for the Right Arm to Push off (with a fanning motion). Any movement of the Shoulders here is Motion (effect) rather than Action (cause).