an umbrella
What may go down the chimney up but not down the chimney down?
A chimney.
An umbrella
An umbrella! It can go up a chimney when it's down because it's thin but cant go down a chimney up because its too big!
Smoke
An umbrella.
Smoke
It's an umbrella :P substitute "up" for "open" and "down" for "closed."
An umbrella
You go down to the fireplace.Awkward!
Yes. They have a long broom that goes down the chimney .