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edit hamburger hands

In the late 50s, Maurus C. Logan, VP of Research & Development at US electrical company Thomas & Betts, toured a Boeing aircraft manufacturing facility, where he watched the workers fit a wiring harness.

Back then, aircraft wiring consisted of thousands of meters of wire organized on 150 meter long plywood and held in place with knotted, waxcoated, braided nylon cord. Each waxed knotted string had to be pulled tight by wrapping it around the finger. The string cut the worker’s fingers so badly that it turned their hands into a big, bloody, callused mess, a condition known as ‘hamburger hands’, because of their resemblance to hamburger meat.

After testing with various tools and materials, Maurus C. Logan developed the 'Ty-Rap' cable tie in 1958 to humanely end one of the most cumbersome, detailed and critical tasks in the aircraft’s manufacturing process.