Insertable pocket for tote bags. This is simply brilliant! This idea could work great on a couple of my 31 Bags that are large. It's hard to find small things in a big bag. Maybe for keys, cell phones, wallets.
You will never have too much storage. And Babies have a lot of stuff. While people usually get floor bins and bookcases, they don't often think of other vertical surfaces — like doors. three hooks on the back of the door and 3 totes.