Search:

Yes I use my dominant hand. When shaving the neck raise your chin tilting your head to the opposite side. This will help stretch the skin. You can use your other hand to pull the skin also.

Yes you can if you are comfortable with it. I prefer not to change hands. I change my grip instead. Most important is not which hand but that you stretch the skin.

When I shave my neck I do three passes. First downward. Second upward from side to center. Finish upward bottom to top.

277668
277669
277670

Photos not good but to give you an idea of...