This is the embroidery for the baby head cover. When baby sleep in the mother's back, it can protect baby safe and healthy.
This skill is called hair embrodiery. Because silk thread of this embroidery is rather detail, even detail than people's hair, we just called hair embroidery. One piece of hair is 0.16 millmeter, but that silk thread is only have 1/12 of one piece of hair. You can imagine, how difficult to make it. It takes 6years to finish it.