He used a body swerve to shake off a marker and create space for himself. Then, with marvelous disguise, with the merest of back lift from his left foot, he propelled the ball at startling velocity.
Because these structures can be traced back through the ancestors, they essentially serve as a marker of evolution; no organism can have a vestigial organ that hasn't been found in its forefathers.
Reality: The kids hoarded the markers, removed all the lids, chewed them until they couldn’t go back on the markers but not before trying and getting marker all over their clothes, legs and arms.