"I, er, um, would you like me to take it back?" he asks tentatively, cringing.
"Yes, right, pumpkins. Can't get it to do anything else." Rincewind heaves a long suffering sigh. "I've tried and tried. Er, that's why I'm not supposed to use it in here. I had a dreadful time getting rid of them last time." He swallows. "That's when I got threatened with pie."