Rubber Bulbs Glass Cupping Set 4 Vacuum Massage Cupping The cup massage process is a straightforward therapy that produces notable outcomes. Through negative pressure and suction, a cup massage helps to dissolve adhesions and raise the connective tissues. It also aids in draining extra toxins and fluids that your body may be holding in. This improves blood flow to muscles and skin that may be affected by partial atrophy. Vacuum massage is effective.