Crib mobiles can be dangerous if they are not hung properly. Here are a few things to keep in mind to ensure the safety of your baby. First, the mobile should be out of reach of your little one. Remember, as your baby grows they will be able to reach higher and higher so make sure to adjust your mobile’s height accordingly. Second, make sure that there are no small pieces or choking hazards that could break off the mobile. Finally, when you install the mobile make sure that the U-Hook is secure in the ceiling.