Why is the teat on the bottle collapsing?
If the vent or ventilation valve does not function properly, or your baby’s sucking power is too strong to adequately vent the bottle, it may lead to unexpected accidents such as the nipple collapsing, the nipple caving in towards the bottle, or your baby’s lips and tongue getting caught.
How can I improve my teat hole?
Make a pinhole at the tip of the bottle if there is no hole at all. Push the pin through from the inside of the nipple going out of the tip. If there is a hole that needs to be widened, push the tip of a toothpick into it from the inside going out.
What is a bottle teat?
A teat, or nipple, is the flexible part of the bottle that the baby will suck from, and contains a hole through which the milk will flow. The collar goes over the nipple and typically screws onto the neck of the bottle, forming a seal.