Baggy is claustrophobic. Not impossibly. But quite. She can go in a lift, or on the Tube. But! If they stop for more than a few seconds, Freda Fretter puts her into a panic. The car gets stuck in a traffic jam on the motorway. Panic! The commuter train stops between stations. Panic! Many years ago when she was a child, her Dad (who adored to pothole as a student), took her into the opening to a cave he used to explore. Baggy was skinny. She still had to turn sidways to get through the opening. Forget it. She panicked. Even though she would have done anything to please her beloved Dad. No way was she going in! So what planet was Clever Bird on to send Baggy for her MRI scan on her own? A forty-five minute scan inside a tube. With a "panic button"! There's the clue Clever Bird.

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