The Locksmith Duck is a Duck that appears when the player hasn't meet the requirement of Ducks needed to unlock a Chapter in a Story. He is an "In-App Purchase" and using him requires the cost of real life currency. The player does not have to utilize him.
|One Lock||All of Swampy's Story||All of Allie's Story||All of Cranky's Story||All of Mystery Duck's Story|
Note that the "One Lock" purchase can be purchased for any locked Chapter within the main stories.