Pigeon Nipple Puller (1Pcs) - To draw out nipples gently and painlessly - For mothers with flat or inverted nipples to breastfeed their babies - Can only be used during pregnancy before 16 weeks and only after the completion of 37 weeks - How to use: - Wash hands and Nipple Puller. Place the shield section directly over and around the nipple. Press bulb, push the shield down making an air tight seal, and release the bulb. Repeat until the nipple is fully extended before nursing baby.