As such, she fell and hit her head. A part of her forehead was swollen.
And when we called our family, the single advice that everyone gave us was:
Rub oil on it, and then rub a knife on it.
This was totally the way we were brought up. I remember seeing an adult rubbing the swollen part of a child's head with knife. It works too!
But it makes me wonder... Why does it work? Do we still have to do that nowadays?