It wasn't until the Professor asked the question that Varius' began to think about the reasoning behind the removal of footwear... he didn't realise there was a relevant reason related to this lesson other than the Professor simply wanted to keep his floors tidy. Maybe it was a trick question? He looked like the type to trick you for fun.

He thought and raised his hand, "Is it because they didn't have footwear in the part of history we are soon about to study... if we are going to study... history... that is."