The American Lyman Reed Blake invented this stitching method in 1856 right in the middle of the Industrial Revolution while he was trying to reduce time and cost of processing for a large-scale production.
Gordon McKay, who became the official supplier of the US Army during the Civil War, has later perfected it.

In summary, McKay processing method provides, by using a special machine, a single stitching with simple or double thread, which simultaneously combines upper, lining, insole and sole.

This stitching process, recognizable from inside seam that runs through the insole, provides to the shoe greater flexibility and lightness.




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