[Mike O]

References
7-7 PLANE ANGLE VARIATIONS Due to personal preference, natural inclination of the pressure of conditions it is not always possible or advisable to adhere to a single Inclined Plane classification throughout the entire Stroke. Players often – consciously or subconsciously – employ more than one of the “natural” Planes. The Shoulder Planes are the more consciously employed – the Elbow Plane the more – almost totally – subconsciously used. Vaguely or incorrectly defined Planes and Variations must be eliminated. The list is restricted to those of fairly common usage – good and bad. Other than the Right Shoulder positions, only the Elbow reference point has any great general usefulness. The “Hand Angle” is emergency or special purpose application. Wrist Action and the selected Inclined Plane must be compatible – watch especially with “No Wristcock” Strokes.

During any Shift of Planes the Clubshaft is held On Plane with the Plane Line as though the Plane itself were moving to the new location. Other controlled procedures that achieve On Plane Impact may be more difficult but need not be deemed improper. Such as positioning the Clubshaft at The Top of the Plane Angle intended for Release. And study 2-N.


CUSTOMIZED PLANES

10-7-E REVERSE SHIFT As its name implies it is the exact reverse of the Single Shift. That is, the Shift is from a Turned Shoulder Plane Angle Backstroke to an Elbow Plane Angle Downstroke.

10-7-F THE LOOP The Loop is similar to the Single Shift except that the Shift is made to the Squared Shoulder Plane Angle and is done with a looping motion of the Clubhead. Knowing how to stay On Plane per 2-F will correct for the Flat Shoulder Turn “Shift” to this steeper Plane – intentional or not. But the cure is Pivot Correction. See 9-1.

10-7-G THE REVERSE LOOP This is similar to the Reverse Shift except that the Shift is made from the Squared Shoulder Plane Angle but also is done with a looping motion of the Clubhead. Handled with skill, this Shift can be very effective.

10-7-H THE TWIST Here the Backstroke is on the Turning Shoulder Plane but the Downstroke shifts directly to the Squared Shoulder Plane by an immediate Flat Shoulder Turn with its obvious looping action.

7-23 POWER PACKAGE DELIVERY PATH- paragraph three
The Straight Line Path is a simpler procedure than the Angled Line Path. But the latter is very natural movement and has the advantage of the true Elbow Plane through Impact. The former can have a steeper-than-normal Elbow Plane compensated with a reaching-out of the arms and a shifting of the Left Hand Grip that places the Clubshaft in the Cup of the Hand instead of under the heel of the Hand, and the Right Hand Grip adjusted to correspond. The sharpness of the arcs at either end of “Line” Paths determines how much of that “Line” can remain and how much the change from Linear Speed (Downstroke) to Angular Speed (Release) will increase Clubhead Speed without changing Hand Speed – the “Endless Belt Effect” of #3 Accumulator per 2-K#6 and 6-B-3-B.
5. PG 111, 7-23, paragraph 3, line 2, from period to period on line 7 - rewrite "In fact the Elbow Plane is normally a "Pivot Controlled Hands" component as discussed in 10-6-B and 10-24-F.
6. PG 111, 7-23, paragraph 3, last line - delete "of Accumulator #3" and add "per 2-K #6, 6-E-2, and 7-18".