Lansinoh Latch Assist breast nipple corrector for use in case of swelling and irritation caused by flat nipples. While breastfeeding, you may experience discomfort from flat nipples, which can make feeding difficult. The device gently pulls the nipple and facilitates the feeding of the baby. The Lansinoh Latch Assist medical device is gentle, easy and non-invasive to use. It works quickly with one hand. The concealer comes with a special case that ensures hygienic storage and convenient transportation of the product.