[drewitgolf]

Crossline for Arc of Approach people too?

What about 1-L-10 .......Power Package driven by an on plane force (towards the plane line).

Thanks

Arc of Approach is the motion, the delivery line of the clubhead and its geometric basis is the Plane Line.
Actually, 1-L-10 reads as follows: The Lever Assembly must be driven "Through" Impact by an On Plane force (moving toward the Plane Line).