Helps your baby latch onto your breast easily by pulling on your inverted nipples. Some women may feel little pain or no pleasure using cupping to pinch your nipples, you can use nipple cream or butter first, then you will feel pleasure and better. Made in 100% medical silicone, super soft and safe, will greatly reduce the load on the skin. By covering nipples that are small, flattened or inverted, the nipples are pulled by pressure, and are molded into a suitable shape for breastfeeding. The force of attraction can be adjusted by the flexible juicer. The nipple tractor is simple in structure, not only can use negative pressure to slide and pull the nipples, but also can be adaptable to different angles of use, and is convenient to use. The size is similar to the nipples and can be put on the bra and other clothes after wearing, without affecting the appearance and are convenient for daily care.