"I punched our nine holes through the box. Leaving nine small but painfully obvious bullet holes. When the box was craned down from that stack, today, and put on a flatbed trailer, those nine holes would have been glaringly obvious. Aside from which, with them open, there was the possibility that a sensor in the facility would register the cesium. Except that Tito climbed up and stuck custom-made magnetic plasters over each hole, both sealing and, we hope, concealing them."