I didn't notice that. It's good you warn us against these things.

This technique is exactly what you don't want.

The right hand rolls over the left after impact (not before and not during). Allowing the right hand to overtake the left before impact will always produce clubhead throwaway, with the typical bent left wrist. This is called a swivel impact and HK warned about that.

You can't practice or perform a drill on a horizontal plane that intersects the chest because the right elbow is not on plane and the Right Wrist will not overtake the Left Wrist after impact.

At Impact the Right Elbow is Bent. At full extension the right elbow is straight and will "Cause" the right hand to overtake the left (on an inclined plane).

Thanks Daryl

Very exciting information.

Homer Kelley claimed that the Pivot and arm swing square the clubface for impact without any need for torque. So true.

But this video misunderstands that the shaft is laid off. Actually, the right forearm is re-aligning to the elbow plane for impact. It "looks" laid off because the club and forearm are above plane.

This is classic "Right Forearm Angle of Approach" which illustrates that the right forearm/wrist should not rotate during the stroke.