I had a strange thing happen to me today at Seaworld on Kraken, just as the train rolled out of the station (I was in the front row) my restraint partially unlatched, I immediately pushed down on it and it clicked in again, and it all happened very fast ... I don't think the restraint got fully unlatched but just somehow 'lost a click'. I told an attendant afterwards and saw her on the phone to the control booth, ride kept on running, so probably was just a freaky isolated thing.