Search:

Ross,the old Barbers manuals called it a sawing Motion,In short it is a Downward stroke coupled with a slicing motion,Is all about Timeing.
It truley adds to the closeness of a shave,BUT,I would not...

It makes no differance,your cutting the whisker at the very root at or just below skin level.

Use a scything stroke on your neck area,no matter what the growth patterns are,thats the cure.