Cupping Set - Attaché Case (17 Cups)Dingyao Cupping Set (17 Cups) This 17 piece Cupping set offers a Professional style vacuum cupping set with an extension tube, suction gun, complete with an easy carry attach case. A partial vacuum is created in the cups when placed on the skin and suction created by drawing the trigger of the suction gun, this draws up the underlying tissue resulting in a deep tissue massage. Vacuum cupping sets can make the application of cups faster, easy, safe,