It is a 'light' pull, BELOW PLANE, in essence you are trying to 'lengthen your left arm' straight down to where it points at the ground, NOT towards the sweet spot unless you have zero #3 (think natural golf setup for zero #3, not recommended IMO).
Imagine you had a beam of light shooting out of your left forearm at fix, use PP#1 to stretch the left hand down that beam, tracing that line on the ground which is inside, and parallel to, the target line.