The second 'departure' in my post referenced Plane Angle -- Variations (Component #7) not Plane Angle -- Basic (Component #6). The Shift from Elbow Plane (10-6-A) to Turned Shoulder Plane (10-6-B) is defined as Single Shift (10-7-B). The Shift from Hands Plane (10-6-E) to Elbow Plane is undefined as a Component #7 Variation. Hence, the "X" Classification per 1-K and 10-0.
What would be the benefit to start from an elbow plane instead of a turned shoulder plane?
Starting from a normal Elbow Plane (10-6-A), even if steeper-than-normal per 7-23 (Editions 1-6 only), is more 'golf-like' than starting on a Turned Shoulder Plane. A visit to a Plane Board set on the Turned Shoulder Plane will confirm the extreme position required to address the Ball on such a steep Plane Angle.
Also, note that I was referring to the longer Strokes. Short Shots -- Putts and Chips -- typically are executed on much steeper Planes (and often with Zero #3 Accumulator Angle). Hence, they lend themselves to the more extreme Address Position required by the Turned Shoulder Plane.
The second 'departure' in my post referenced Plane Angle -- Variations (Component #7) not Plane Angle -- Basic (Component #6). The Shift from Elbow Plane (10-6-A) to Turned Shoulder Plane (10-6-B) is defined as Single Shift (10-7-B). The Shift from Hands Plane (10-6-E) to Elbow Plane is undefined as a Component #7 Variation. Hence, the "X" Classification per 1-K and 10-0.
Of course!
When rereading your post I see it.
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Golf is an impossible game with impossible tools - Winston Churchill
From working with both Mac and Andy on both patterns and how they differ, They work off only the terms of classifications. THEY ARE VERY APART AND LIKE WHAT IT DOES FOR PLAYERS.
The TGM language IS easy to grasp with the basic concepts.
Or as a former chief said , what is is.
By the way Lynn keep up the good work sorry to not post much.