Skeleton keys: the enigmatic objects that can supposedly open any door. But can you really use them like that? Do they even actually exist?
Skeleton Key (Alex Rider, #3) by Anthony Horowitz
Lock Picking Archives » United Locksmith
What Is A Skeleton Key? Separating Fact From Fiction
What is a 'skeleton key'? Are there any real life examples of keys that can open almost any lock, like in movies and books? If so, how are they made/used? - Quora
What Is a Skeleton Key?, Antique Skeleton Keys
The Importance of Teaching Your Kids Key Responsibility
What is a 'skeleton key'? Are there any real life examples of keys that can open almost any lock, like in movies and books? If so, how are they made/used? - Quora
The Importance of Teaching Your Kids Key Responsibility
What Is A Skeleton Key? Separating Fact From Fiction