Argentina World Champions Three Star Soccer Football Sports Iron On Applique Patch Badge How To Iron On Patches 1. Prep the iron: Check the clothing label for ironing instructions. Don't use steam. 2. Position the patch: Place the patch on a clean garment. 3. Use a pressing cloth: This protects the patch. Push hard for 30 to 45 seconds. 4. Flip and repeat: Repeat these steps on the other side of the garment.