These were popular for a while in London and New York. Wikipedia,

At the beginning of the World War II, the Battle of Britain led by the Luftwaffe ended the usage of baby cages in all London, but they appeared again from 1953, albeit not as popular as before.

Here is a baby looking what I feel is entirely too pleased about the situation,

And another with what seems like a more appropriate level of distress,

EDIT to replace one suspected AI image, per suspicion from mossy_@lemmy.world in thread below.