Answer:
It flies when it's on and floats coming off.
What starts with a 'T', ends with a 'T', and has T in it?
What does everyone know how to open but not how to close?
What can burn the eyes, sting the mouth, yet be consumed?
They can float and tickle, but their sound is rarely heard unless you're a pillow or bird. What are they?
When is it bad luck to see a black cat?