Hdsecret Seam -

These pockets are often used to hide emergency cash, keys, or tracking devices like AirTags for safety.

In garment manufacturing, "secret seams" often refer to Superimposed Seams, which are basic seams that hold an outfit together but remain largely unnoticed by the wearer. HDSecret Seam

Techniques such as using iron-on letters or specialized fabric paints are often used to add identification or "secret" labels to these hidden areas. These pockets are often used to hide emergency

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The technique hides the extra fabric on the inside of the garment, making the alteration nearly invisible from the outside.