custom patches
https://s3lijhw718.doodlekit.com/blog/entry/16428342/are-you-getting-the-most-out-of-your-custom-velcro-patches
When we placed CUSTOM EMBROIDERED PATCHES on a t-shirt or a cap, we make use of a sewing device to sew the edge of the patch. Embroidery is the most effective option for it.