The supplemental nursing system is a nursing device specifically designed to help mothers and parents breastfeed/chestfeed by supplying additional milk to the baby while they are being fed at the breast/chest.Facilitates bonding and skin-to-skin contact.Promotes milk supply by stimulating the breast through sustained sucking.Supports adoptive, surrogate, same sex, transgender and non-binary parents to create a breastfeeding/chestfeeding experience.Supports babys oral development of sucking skills to create vacuum.Provides milk supplementation without the use of bottles and teats.Includes:1 - container & lid1 - anti-leak twistlok lid1 - twistlok tube1 - ring1 - cleaning aid1 - clamp1 - clip