Hairpin
From Tardis Wiki, the free Doctor Who reference
Amy Pond could pick a lock with only a hairpin. (TV: The Beast Below [+]Loading...["The Beast Below (TV story)"])
The Fourth Doctor used a bent hairpin to open a locked door in a mountain on Zanak. (TV: The Pirate Planet [+]Loading...["The Pirate Planet (TV story)"])
On Heaven, the Seventh Doctor used Ace's hairpin to open a locked door in Joycetown's library. (PROSE: Love and War [+]Loading...["Love and War (novel)"])
