Lockpicking to remove Cuffs.

[Eisenhorn]

+ support, although it'd be nice if we added a different lock pick model otherwise we will see the following scene (however bloody hilarious it'd be) a man in handcuffs being chased by someone wielding a crowbar trying to undo the lock, with the cuffed guy terrified he's going to get his brains bashed out.
Regardless of that, using rope to undo handcuffs is just plain stupid, as is using handcuffs to unlock handcuffs (looking at the police officers here).