Lansinoh breastfeeding nipple shields help you continue breastfeeding when latching difficulties arise. For mothers experiencing breastfeeding challenges, Lansinoh nipple shields are effective short-term solutions. They are helpful when latching problems occur with premature, small, or sick babies, or in cases of flat or inverted nipples, tongue-tie, labial or lingual frenulum, or overproduction of milk, until these issues can be resolved.