Prohibited Drills. The following drills are prohibited during preseason, regular season, and postseason “padded” practices: (i) bull in the ring and king of the circle drills; (ii) Oklahoma drill; (iii) offensive line vs. defensive line in-line run blocking and board drills; and (iv) half-line, pods, and 3-spot drills, each as defined in Article 23, Section 7(f) of this Agreement.