"At the end of the XIX century, a screw company called Stanley started selling hinges, and quickly became the largest hinge maker in the market.
"Their hinges were almost the same as any other, the hinges were a mature technology, they had no price advantage, no hinge-making experience, and no manufacturing difference with the competition.
"How did they do it? They packaged the screws along with the hinges. Since anyone who bought a hinge needed the screws anyway, they sold more product, and the buyer was happy because he didnīt need to find matching screws..."
