How can I get the key in LeChuck's cabin

Hint 1 of 6:

You can do that.

Hint 2 of 6:

What are keys made of?

Hint 3 of 6:

Maybe you can do something to attract it to you.

Hint 4 of 6:

It won't be your magnetic personality.

Hint 5 of 6:

But it might be something magnetic.