What did touching the sword to the back of the knights necks represent?

Touching the sWord to the back of the knights' necks during the ceremony of knighthood symbolized the transition from a squire to a knight. This act, known as the "accolade," represented the knight's acceptance of their new responsibilities, including loyalty, honor, and service. It also served as a reminder of the weight of their duties and the potential consequences of failure in their role as protectors of the realm.