Irma, my dear sister,' said Prunesquallor, 'I have two things to say. Firstly, why in the name of discomfort are we hanging around in the hall and probably dying of a draught that as far as I'm concerned runs up my right trouser leg and sets my gluteous maximus twtiching; and secondly, what is wrong, when you boil the matter down - with feet? I have always found mine singularly useful, especially for walking with. In fact, ha, ha, ha, one might almost imagine that they have been designed for that very purpose.