More family horror stories. This is how my grandmother dealt with being forced to watch her baby brother - in 1922. I imagine a diaper and pockets filled with rocks would really slow a tiny human down!
If you are old enough to remember windup baby swings - perhaps you discovered the secret to making them run faster. I did. My mom? Wished I hadn't. My baby sister? Don't know. She couldn't talk. Is puking an affirmative?