Aware of the nail he pushed his hand through the gap, got a good hold of the side of the hole and pulled. And… nothing. He tried again and again but it was too solid. He moved his hands around again and after a few minutes concluded that he was in some sort of box. The air was stale but at least he was breathing.
“You are not going to win,” he said under his breath. And with that he swung his leg as hard as he could and kicked one of the walls. It shook a bit. “Yes,”. Another kick. And another. After one more kick he had finally made progress; a sliver of light seeped through the wall.