 So here's some close-ups of the pick that I used next to one of the keys You can see the pick is made from An old pick actually Think there's a sparrows that I broke early on. So this is the key this cut Still yeah, this cut here is the clearance for the The nose of the Lock and then this is the bedding here and So I noticed a couple of things and I'll talk about that later, but what I basically did was make a skeleton key Removing this material moving here getting a little gap here so I could slide it back and forth and then I Used this Old another broken pick which I have many of It's old storm pick Just for the tip as a lifter to lift one of the levers So we'll got one of these and see what's going on inside This is C56 which I have not gutted before See what's inside here Screw these are made by Sergeant and Greenleaf They were advertised to believe as I Think having come from a post office Take the post office application So we can see the inside of this thing. It's a lever lock. I take the little Scunction off There's the little guy that actuates it as you turn this this pulls the bolt around that's the bolt And here's the lever pack Okay, and there's I think seven levers total in here Okay, so let's take it apart and See exactly what's going on. That's such interesting things So what I'm gonna do is I'm gonna take my first note that the first lever Here sits down here moves on its own. Okay, so let's take him out It's a number of three set it aside now. We've got a number zero Still in frame good Now with him will notice that when I move him He interacts or he can interact with this little Pin here. We'll talk more about that in a minute Take him out decide But number two and again it interacts with this pin this one you may be able to see it a little better Hopefully But push him up and see that he Kept us on that pin, so Let's get him out of here. I'm gonna take the next few out rapidly. There's a five Just to show you that the dead end is non-trivial There's a two. I think I've seen these up to Six or eight remember exactly how many total Sizes they have come on Very tight fit actually There's a one Okay, here is the rearmost lever Which happens to be a two Some of the other ones. It's a three and you can see that he has this little Extra stump on him. He does have a gate Okay, but I think it even has a yeah, no, it doesn't have an anti-pick notch on it as a gate But that's the rearmost lever Okay, we take him off And you can see the little actuator and the bolt itself and the bolt Actually, nothing in here is steel other than the screws So it's kind of like that safe deposit box. We looked at last week I got a bunch of these in the mail and First thing I do is take it apart. Let's see what's going on And I was kind of perplexed by this little this little extra pen That's in here this little guy there so we put Two of the levers back on there's a one And there's a two I'll show you some close-ups of the levers in a minute Okay, so what I noticed was that If I push the bottom lever up Hold these together they both move in synchrony And it's a bit hard to see but all of the levers in their resting position Are basically level at this point above the stump Their little nose This part Sits right on the stump and there's a little anti-pick notch there I think that now I guess the taller ones don't have any anti-pick notch here But this little guy will definitely catch So what I noticed was the following exploit if I have Just these levers in place which line up with this thing I Can lift the rear lever on its own I can get my tool in here and the entire pack comes up Still in frame. Yeah Very good lighting, but the entire there we go the entire pack lifts up oops If it's properly seated The entire pack lifts up together As one and reaches the stump except for the last lever which Does not interact with this with a little stump And that's why I had this additional tool Which has disappeared on me? But there it is That's why I had this additional tool to reach in here and just push that lever up and that's the bypass and This works with every one of these things that I've tried so Very interesting lock has some security features, but seems to be designed so that you know easily picked and if you made a series of keys I Was considering filing one of these down, but I only have a few If you made a series of keys with different depth cuts on The last position and removed everything, but the first and last cut And you would need maybe Seven or eight of them you could open any one of these locks with one of those tryout keys So very interesting system clearly designed For a public place where you're not gonna sit there with a pick or a lot of tryout locks or tryout keys but if the owner of the mailbox or the Somebody needed to get in quickly they could So thought that was very cool Thanks for watching Have fun and keep it legal Cheers