Google suggests (via my weak search-fu, which tells me there's probably more I haven't found) that it's a hearing aid -- and one link even provides pictures of a model that was manufactured before the film in question and has a battery pack that suspiciously resembles what I can see of what the lady is holding. Hearing aids back then resembled something out of a mad scientist's Victorian lab.
This doesn't explain why she's talking, but, I'm sure we've all seen the Crazy Lady talking to herself wandering down the street, I suppose.
--sofaspud
--"Listening to your kid is the audio equivalent of a Salvador Dali painting, Spud." --OpMegs
This doesn't explain why she's talking, but, I'm sure we've all seen the Crazy Lady talking to herself wandering down the street, I suppose.
--sofaspud
--"Listening to your kid is the audio equivalent of a Salvador Dali painting, Spud." --OpMegs