The great wizard Merlin was showing King Arthur his latest invention. It was a chastity belt, except that it had a rather large hole in the most obvious place. "This is no good, Merlin!" exclaimed the king. "Look at this opening. How is this supposed to protect Queen Guinevere?" "Observe, sire," said Merlin. He then picked up one of his old wands and inserted it in the chastity belt's gaping aperture. As he did so, a small guillotine blade came down and sliced the wand in two. "Merlin, you are a…