"I wish I had the key to this damm belt!" you say, flipping the coin.
It comes down tails.
Okay, you don't have the key anyway- but where is it? Has it been destroyed or lost? You have to find out. Not caring about the results, you flip the coin again. "I wish I knew where the key was now!" you say "Please!".
To your delight and relief, the key comes down heads. Your joy is short lived though, as you gain an image of the key in your mind. It's on a chain round the neck of a sleeping humongous green dragon with a lust for beautiful damsels like you. You also know where his lair is, and that he's resistant to any wishes.
So now what?