Tonight Son 2 was in all his almost-18-month-old glory as he tried to slide a finger behind my genius obstacle to the TV buttons. He did not succeed, but thankfully Son 1 was hot on his trail to keep him from jacking with it:
Son 1: "Don't touch the buttons! The TV might fall down and...and...we won't have a TV to watch."
...let alone the fact that his brother will be under it.