With an impatient growl, he grabbed a dirty white handkerchief from his pocket and wrapped it around her stump with the calm efficiency of practice. It quickly turned red, the blood soaking through the material even from such a relatively minor wound. When that failed to stop the noise, he slapped Cho's cheek. She screamed higher, the chair rocking back with the force of the blow. A slight crunch seemed to suggest the possibility of a broken jawbone, but she was making so much noise that Hermione doubted it.