What are these holes for

I just got through looking at 8 sets of those interior panels, and none of the ones I saw had holes right there.....including the ones I have with my '66 Valiant. There are some extra chrome moldings on some models though. All of the ones I looked at had the upper chrome strip (the one just below the upper plastic cap), but, some also had one a few inches below the arm rest. That type also had a section of carpet that went up to that chrome strip.