Healthy Care(TM) Size:S) Twist Suction Cupping Nipple Enhancer Enlarger Vacuum Rotary Fetish Twist-top cupping is a modern development based on traditional cupping. . It produces the effects of traditional cupping methods and eliminates some of the disadvantages. . Each of these cups generates its own vacuum through the action of a screw valve with rubber seal in the cup body. . Just put the cup on the desired area and twist, the cup will remain attached. . Rotary piston exhaust method replaces the traditional method of ignition exhaust, no worries burns, safe and secure, greatly facilitate the people to use, both for the hospital, but also for families. . Features: . Material: Plastic . Color: As the picture show . Size: S .Diameter: 1.8cm/0.7'' Cupping tips: . 1. Usually once a day or every other day, every 5-15 minutes (often those bubbles, the elderly and infirm and children . 5-7 minutes is appropriate); . 4.These self-contained suction devices work with a simple twist. Silent, simple, and discreet, these suckers can be taken and used practically anyway for on the go. Package included: 1Pcs X Suction Cupping