Lock picking

"A lot of wizards think it's a waste of time, knowing this sort of Muggle trick... but we feel they're skills worth learning, even if they are a bit slow."

- George Weasley while picking the lock to Harry Potter's door Lock picking is a type of Muggle skill used to open locks without using a key. Wizards can also learn this as if they don't want to use magical means, such as in the case of avoiding underage magic.

History
Newt Scamander's pet Bowtruckle Pickett was named for his ability to pick locks, unlocking a bank vault and later Newt's shackles in the Death Chamber at MACUSA in 1926 in New York City. In addition, Fred and George Weasley learned this skill some time before the summer of 1992, where George Weasley used an hairpin to unlock the door of Harry Potter's Bedroom at Number Four, Privet Drive, and then the Cupboard Under the Stairs to retrieve his possessions during his rescue. The following summer, Harry Potter, after seeing it done by George the previous year, picked the lock of the Cupboard Under the Stairs once more to gather his possessions locked away by Vernon Dursley, hiding them under the loose floorboard in his room. For Christmas of 1994, Sirius Black gifted Harry a magical penknife, able to undo any knot or pick any lock, which was later destroyed in 1996.