Necessity is the mother of invention

Today in our works cafeteria there was a display of inventions from over the ages, primarily from African American inventors. It was pretty interesting, with artifacts such as refrigerators, various toys, particular kinds of light bulbs etc. However I was a little perplexed by one exhibit. It was the invention of the sanitary belt! What on earth were the organizers of this event thinking when they decided to display that particular exhibit? Anyway, I was not surprised in the least to see that this uncomfortable, impractical, ugly contraption had been invented by a man. Figures...