This eliminates the more common rise snaps for size adjustment and cuts down on bulk ensuring a trim fit. (clothdiapergeek.com)
This allows you to make size adjustments with one hand, even with baby inside the seat. (babyseats.reviews)
So be sure to monitor how your nipples feel and how much milk you are pumping as changes could indicate that you need to make a breast shield size adjustment. (thebadassbreastfeeder.com)