He entered the . He took the down . He couldn’t find what wanted. He got on up escalator. Seconds later, grabbed his pants cuff. pulled his cuff free. was that, he wondered. turned around to look. saw a little screw. loose screw was sticking of the escalator wall. got to the top the escalator. He looked his pants. The cuff ripped. It was just little rip. But that might hurt someone. I’d tell someone about it, thought. He found an . He told her what happened. He pointed out loose screw. She apologized. said, “Don’t worry. We’ll for repairing your pants. bring us the bill. we’ll take care of screw immediately.” He thanked . A week later, he . The loose screw was there.