Why Some Patches Curl and How to Prevent It
https://clumsy-enquiry-d6a.notion.site/How-to-Read-a-Patch-Price-Grid-40e852125ab180dd8edad26b925fa1ba
You sew or iron on a new patch, it looks great, and a few washes later the edges start lifting and the whole thing cups like a potato chip. Curling is one of the most common complaints about custom embroidered patches, and it is rarely random