Challenge: lubricant
Word Count: 100
He did not break his neck, but he did break his leg so badly that Poppy had to cast it for a week. He also had to spend the night in the Infirmary, which was even less pleasant as an adult than as a schoolboy.
Mr. Filch crept in during Visiting Hours. He pulled out a bottle of Mrs. Skower's Best Quality Stone-Scrub and carefully set it down next to Severus' water glass.
“Here, sir. This was supposed to be soap but is actually oil-free lubrication.” Filch looked abashed. “Bad batch, the manufacturer said.”
“I see,” said Severus.