It's not Cam's fault," Bex told her. "We rigged her bed so that if she gets up, I get an electric shock." "Liz designed it," Macey said, and Bex shrugged "We told you we were taking precautions." Of course. Because at Gallagher Academy, "precautions" usually equals "voluntary shock therapy".
Ally Carter (2012). “Gallagher Girls: Out of Sight, Out of Time”, p.103, Hachette UK