Answer:
What is given but kept by the giver?
What word is the same written forward, backward and upside down?
I have it, I donβt share it. If I share it, I donβt have it. What is it?
What does everyone know how to open but not how to close?
What covers its face with its hands, speaks no language, yet most known what it's saying?
You use it between your head and your toes, the more it works the thinner it grows.