So he calls for the castle priest. "Listen, Holy Father," the knight said. "I am leaving for the liberation of Jerusalem. But I can't leave my wife alone. And as you are the only man I trust, I give you the key of her chastity belt. Hide it in a safe place, so that no person will find it. I know that a man of God like you won't deceive me. And don't trust my brothers! Don't you trust anyone ! I'll be back in three years, God willing." And with that, he handed the key to the clergyman.

Then he said goodbye to his wife and took off. He had just crossed the castle bridge when he heard a cry. He looked back and saw the priest, shouting and waving. He waited for the priest to reach him. "What's the matter?" "I am sorry, sir, but you gave me the wrong key...."