"Very good, for your first attempt," he said, linking his fingers together in front of him. She looked up at him, the effect immediate.  Praise. Of course the swotty little chit would be motivated by praise. "Focusing on a material item or a sensation, in your case, static, is a good strategy for an amateur. It is, however, a common one, and the subject performing Legilimancy knows you are trying to hide something." 