The keel in the corset is mainly to outline the beautiful curve of the body, and then hold the body tightly through the belt at the back to achieve the purpose of body shaping. The purpose of the water bag in the bra is simple, that is, to put a bag full of liquid on the chest to make the chest look bigger.

The infrared ray you mentioned has a certain effect of burning fat and losing weight, but it is not very strong. The keel you mentioned is very bad for your health, because it affects blood circulation.

Belonging to the keel is a relatively hard supporting structure that wraps the whole stomach from the hip bone to the chest.