"It's coming now, sir. There, we have it!"
"Take out all those wads of tissue paper."
"Here they are, sir."
"Any more?"
"I reckon not, sir."
"Still, you'd better make sure. Run your hand in at each end as far as you can reach."
"There's nothing there, sir. A beam goes along where those nails are."
"You are sure there is no other opening?"
"Certain of it."
"Nevertheless, I'll have a look myself."