Metal Border of Lapel pins
All enamel pins need the metal border, have you noticed that?
-- First I need to tell you that, the enamel color before baking is liquid, like the paint.
-- Now you can image, to let the liquid color won't mix with each other, do we need some thing separate it?
-- Yes, Metal border. we use the metal border to separate the different colors to avoid mix.
Have you got it?
If not feel free let me know, I am show you the vidio.