My body is made of wood and stone

Today I learned that if you inform a small child of the existence of the Babylonian demon which lurks in bathrooms to get you if you don't wash your hands, you may also need to teach a small child about incantation bowls which can be made trivially at home in order to protect against such demons, but I feel everyone should know about incantation bowls regardless of a pressing need for them, so it all worked out in the end.