I think his explanation was centered around oneadditional point of reference. Eye looking down the center of the peep, string on the tip of the nose, thumb under the jaw with bone to bone contact, and the kisser button. Sounded like it might be overkill to me at the time, but it was an inexpensive and easily reversable try. On my shorter bows, for some reason, the increased angle of the string makes the kisser button feel awkward. On the Hoyt it is a keeper.