The Hobbit and The Lord of the Rings

How does Bilbo finally unlock the riddle and the secret door?

Answer

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Wiki User
01/12/2009

The door turns visible on a specific full moon every so often. The riddle has something to do with the time the thrush cracks the snail. Bilbo hears the thrush crack the snail, and realizes that today is the day the door can be opened.