In fact, on account of the lack of engineering refinements on board, the whole railway journey experience seemed fraught with danger and this was well illustrated by a sign on the heavy metal doors that seemed to indicate that male passengers in particular should be careful not to trap delicate bits of their anatomy in between the closing doors as this could be very, very painful indeed. And to emphasise this the letters can be rearranged into that well-known warning ‘tite bals nastie’.