The fact is that the principle of sucking the chest and sucking the nipples is completely different. Giving the chest to a wide open mouth, the baby captures not only the nipple, but also part of the halo, so he quickly understands that the speed of milk can be adjusted. When sucking a dummy, the principle of a tube, straw is visible. Sometimes children after the nipples begin to take breasts incorrectly, which is accompanied by mom’s discomfort and even pain.