"Yes you have!" the Doctor protested, his eyebrows low with concentration, twisting and turning to block Jack with his shoulder each time he made a grab for the devise. It didn't take long, however, and the Doctor snapped the cover shut and handed it to Jack. "You made me realize how stupid it was to keep your vortex manipulator disabled while we're in Knowhere. There. I've disabled the disablements, and even boosted its power by 300 percent."