File:MorichFitting.pdf

Figure 1

Assumptions:
Spans calculated are full spans, NOT cut to cut.
When spans are checked the hand should be relaxed, with no web tension.
In the Morich Fitting Guide the span measurements are to the gripping edges of the holes. As indicated by the RED arrows in figure 1.

Figure 2

Lateral pitches found with a standard sized beverage can, can be calculated using figure 2.
For a right hander, negative is left and positive is right pitch.
For a left hander, negative is right and positive is left pitch.
The proper lateral pitch in the image is 0.

Thumb Angle Pitch Chart

Thumb angle