Rock America rock band patches are embroidered licensed band patches. Rock America rock band patches are durable and vibrant. They can be ironed-on or sewn. Embroidered Shamrock Crest Flogging Molly patch. This Flogging Molly patch is an inexpensive way to support your band—you can easily attach it to your backpack or your favorite jacket. Patch measures 3 ½ x 3 ½ in.