If a deadbolt gets escorted by a lock in addition to a deadbolt then a butter knife will not unavoidably work.
How to unlock a locked door with a knife.
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Push the knife in working it until you slide the bolt out of the door jamb.
All you will essential is a butter blade and the padlock that wants opening.
Start by sliding the knife in above the door lock in between the door and door jam then slide it down until it stops sliding that means you found where the lock goes into the door step 2 once you have located where the bolt goes into the door it s time to apply some downward pressure and start picking.
Take the butter knife and slide it between the door and the door frame starting about three inches at the top of the door knob.
Slide the knife until you find the door s bolt.
Apply pressure on the lock using knife and push it back in the door.
You may want a minor knife edge to achieve this.
You may also need to tilt the knife a little till you find the suitable angle for moving the lock.
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