I wonder if there is another reason for the baby's crying? (Just a suggestion, don't bite my head off!)
Many people don't realise that new babies very often suffer from withdrawal symptoms after birth. If the mother has been taking regular medication, or is a smoker, the baby will have shared that while in the womb. As soon as they are born, they are suddenly deprived and suffer while their bodies adjust.
What do you think would go well with coasters like this?