They walked along as they normally did, and when they opened the door it was with a movement intended to appear as a natural extension of their last. So intent were they on not looking around that this was what you noticed. Their attempts to appear normal radiated from them. Not only when they entered but also when they reemerged. The door opened and without pausing they seemed to glide out onto the pavement and into this gait that was supposed to give the impression that they were merely continuing a walk started a couple of blocks away.
