I pull the nipples collapsed.
Also massage the nipple.
With case.

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 1.77 inch
Height : 1.77 inch
Length : 4.17 inch

Item Weight: 0 ounce (View shipping rates and policies)
Shipping Weight: 0 ounce (View shipping rates and policies)

ASIN : B000BNB3A2

Product Description

Pump type that can be used easily with one hand.