What is this rod for?


Hint 1 of 9:
It's too heavy to take out of the room, so you know it must be used with
in the room.

Hint 2 of 9:
The only thing you can use it on is the fireplace.

Hint 3 of 9:
Put the rod on the hearth.

Hint 4 of 9:
Look at the small metal disks on the sides of the fireplace.

Hint 5 of 9:
The rod isn't long enough to reach those contacts.

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