We've been worried since Caroline has taken to hanging out in the Jumperoo, which we hang in the kitchen doorway, that her vigorous hopping and bouncing and swaying is going to lead to a head injury before long. It really wouldn't be that hard to bang into the door jamb. And that would be the end of the Jumperoo.
Fortunately, our fears have been recently assuaged by her increasingly prominent plagiocephaly, which today resulted in her getting fitted for a cranial molding helmet:
At least they come in pink.