Mike - do you feel the startup swivel from the left shoulder? Your motion looks very much like that 'feel' I get in my move at about halfway back. Hitting the ball with the back of the left shoulder. Also, are you a fan of Ernest Jones? That wonderful tempo certainly looks like you've got his penknife drill mastered. Pure swinging on plane force!
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"Support the On Plane Swinging Force in Balance"
"we have no friends, we have no enemies, we have only teachers"
Simplicity buffs, see 5-0, 1-L, 2-0 A and B 10-2-B, 4-D, 6B-1D, 6-B-3-0-1, 6-C-1, 6-E-2