Glove Ends Thumb-Sucking (May, 1938)

This is pretty bizarre. How long does your child have to wear this thing before they stop sucking their thumb? If they use this as a surrogate why wouldn’t they start again once they took it off? What if they switch thumbs? Why is this better than sucking your thumb?

Of course if they replaced those rubber thingies with Twizzlers, then they’d have something.

Glove Ends Thumb-Sucking
By adding imitation fingers of rubber to fingerless mittens, an inventor has produced gloves that not only prevent a baby from sucking his thumb, but also provide an agreeable substitute. The flexible tips are declared to satisfy the child without any harmful effects.