This may not be the place to ask this but i thought it may be considered finishing. What are these little metal circles called and how can i do them myself? Here is a picture of what im talking about there are 4 of them on the collar of this shirt.
SSK192-OLIVE - Rebel Spirit - Short Sleeve T-Shirt - Rebel Spirit Clothing
SSK192-OLIVE - Rebel Spirit - Short Sleeve T-Shirt - Rebel Spirit Clothing