It's the beautiful finish edge of a sewn product.
In this case, we look at the Merrowed emblem edge:
Most people will agree that craft and skill is something to be appreciated. It's what makes the crown molding in turn-of-the-century homes a selling feature. It's what transforms the afghan knitted by your grandmother into an heirloom. It's why they install stained glass in churches. We see these things and know that they were forged by someone able to put tools to use in a novel way that only time and repetition can teach.
In that context, check out this video of an operator sewing an edge on an emblem with a Merrow MG-3U.
For more information read about the Emblem Machine, the MG-3U on the merrow website.