Originally Posted by
Bill McCall
While I greatly admire Mike Marshall, I would caution about the thumb position, in that Mike has very large hands. Many folks, such as me, would find moving the thumb that much over the edge of the neck could aggravate preexisting thumb problems or create a new one. I don’t think it’s important to get your thumb that far over neck, just make sure you don’t use the classical guitar hand position.
If your hand begins to hurt, your hand position or grip tightness is wrong.
My $.02.