What's so interesting about this stool?


Hint 1 of 6:
Have you looked at it?

Hint 2 of 6:
Look at it again.

Hint 3 of 6:
There's something on the underside of it.

Hint 4 of 6:
It seems to be a nail

Hint 5 of 6:
You need to pull it out.

Hint 6 of 6:
There's something in your inventory that would be good for pulling nails out.