It seems to me that in order for this to work, your anchor has to be independent of the arrow. For example, if your anchor is the cock feather of your arrow touching your nose, I don't think that moving your grip down the string is going to have the desired result, since you're just going to be holding the string lower rather than moving the arrow up closer to your eye. Is my thinking correct on this? I suppose I should just go out and try it, huh!