The technique of using suction cups comes from the traditional chinese medicine,so it´s been used for several thousands of years. The application of a suction cup on the skin causes a vacuum effect, what improves the vascularization of the area, permitting a better oxygen flow and nutrients and a better withdrawal of waste substances.
The vacuum effect used to be provoked by introducing a lighted cotton, which would make an oxygen consumption causing the vacuum. Currently, the suction cups have a valve system with a handle to cause the vacuum effect, avoiding the danger of burns.
The suction cups can be fixed on the skin or can be used to give a massage with it. To dos o, the cup is being moved over the skin, realizing a friction and liberating the tissue.