There were once two bakers shops in a small village. They were in fierce competition, with half the village going to one, and the other half shopping at the other.
One day, one of the bakers bought himself a new device that he found for sale in the city – it was a bread slicing machine, which could slice four loaves at once, using four large blades.
Suddenly, he found himself getting all the business in the town. No-one went to the other baker’s shop any more, and it was forced out of business.
After he had closed the shop for the final time, the second baker went to visit the first, to ask for a job.
“How did you do it?” he asked, “How did you get so much business from me? You just got so much good luck all of a sudden.”
“I’m not sure,” said the first baker, “but I think it’s got something to do with this four-loaf-cleaver I found…”