Some skeletons are bigger, even the upper body is thinner, and there is not so much fat. In this case, it is easy to be "hurt" by the "steel ring".

It is also the invisible steel ring and memory steel ring that can be searched at present. In short, the softer the steel ring, the better. In addition, it is also best not to choose a bra with a high "chicken heart", which is easy to rub.