"What? Oh no, your fur wouldn't have any resistance at all since we travel inside the TARDIS."
He shut off the device and flipped it in the air, catching it easily. "This is my sonic screwdriver. Not to worry, no bad effects and it just gives me research. I can also analyse things with my tongue but I've learned that people find being licked rather strange so I don't go into their personal space, you see," he chattered away. "Here, would you like to scan me? Just squeeze this band of metal here." He showed what he meant to Kurt before holding the screwdriver out to him.