Harland raised one eyebrow as he approached the... He actually never knew what these things were called. All he knew was that they had them at train station and things like that. So, apparently, he had to insert a knut and then he could enter his common room.

Was the school trying to raise funds for something? Well, he was sure it was a good cause, so he decided to comply. Besides, he wanted to be able to sleep, and he couldn't do that if he couldn't get into his common room.

Shrugging, Harland inserted one knut and pushed past the barriers and into the common room. Well, that was strange.