Master Lock
From Wikipedia, the free encyclopedia
Master Lock is a manufacturer of padlocks and combination locks. Master Lock was formed in 1921 by inventor Harry Soref, and is headquartered in Milwaukee, Wisconsin.
In 1974, Master Lock ran a famous Super Bowl ad where one of their locks survived being shot by a sharpshooter, thereby proving its durability. Master Lock would continue running similar ads during future Super Bowls, spending almost their entire annual marketing budget on the single commercial. [1] Later, Master would incorporate the image into one of the first real-life examples of a blipvert in 1998 - though no harmful physiological effects were reported in viewers.[2]