Doll circle represents a hobby of collecting Barbie dolls, and the dolls here will be more exquisite than Barbie dolls. At the same time, all the limbs of these dolls can move, because the key parts have spherical joints, so they can move and pose freely like real people.
Sankeng refers to the collective name of JK uniform, Lolita and Hanfu, and belongs to the derivative of the pan-secondary minority cultural circle. The reason why it is called "pit" is that these kinds of clothes are expensive and update quickly, which requires a certain amount of energy and financial resources to study.