Selwyn made the mistake of laughing, holding up his hands in an 'I surrender' sort of gesture. "Only fulfilling Bellatrix's orders to keep up with the prisoner, Rodolphus. I was making sure that this charming little Mudblood didn't get it in her head to run away."

He turned his head, winking at Hannah. "You needn't worry, Rodolphus, I think she and I have come to an understanding." His eyes swept over her again with a feral look. "We understand one another quite nicely, don't we Hannah?"