A couple of years I was going through security at Belfast airport. Belt, wallet, camera bag etc placed in tray and then went I through the detection system which bleeped. Told to remove walking boots and then went through another machine where you had to stand still for ten seconds in the shape of an X, after five seconds my trousers fell down and I made a grab for them. "Don't move" the security man shouted, which naturally alerted everybody in the building who were now staring at me. In the meantime the first box carrying the belt etc had reached the end of the line while the boots were now mixed up with the persons boxes behind me. I was now racing up and down the line trying to gather all my stuff whilst still holding up the trousers to the amusement of everybody. I think the annoying part was my Son, who passed through without even being checked, seemed to enjoy my embarrassment more than everybody else.