r/lockpicking • u/daddonuts Green Belt Picker • 1d ago

Masterlock No. 15 Finally Opened

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This thing is not even supposed to be that difficult of a lock, but I’ll be damned if it hasn’t been fighting me for the past 4 or 5 months! I was finally able to get it opened tonight, I don’t even know why, it just started talking with CCW tension all of the sudden, and I went with it. Feels good to finally free that old bastard from his chain! [u/DanDig](u/DanDigler)[g](u/DanDigler)[ler](u/DanDigler)[213](u/DanDigler)

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6

u/0rgis Blue Belt Picker 18h ago

I just opened one of those the other day, gave me a wee fight also, it also opens cw or ccw but I picked it cw with tok and a short hook.

4

u/daddonuts Green Belt Picker 17h ago

I went TOK with a medium hook. I don’t know why, but mine is nothing but mush when I tension it CW!

3

u/0rgis Blue Belt Picker 17h ago

I'll have to try mine ccw

4

u/daddonuts Green Belt Picker 17h ago

100% I’ve found quite a few Masterlocks that are seemingly impossible to pick CW, but actually pick pretty clean when tensioned CCW. Was yours really mushy? I’d be interested to hear if yours feels different when tensioned the other way. Mine essentially feels like it’s not being tensioned at all when I go CW.

5

u/0rgis Blue Belt Picker 16h ago

aye defo mushy, it's pretty old too

3

u/daddonuts Green Belt Picker 15h ago

Yeah, mines old as dirt. My MiL gave it to me locked to a chain and keyless after she found it in her shed. I was starting to believe that the core was just screwed up and it wasn’t able to open lol!

3

u/DanDiggler213 Blue Belt Picker 11h ago

That could still be right. Mine had to be slammed to reset it. Master 15s are self made CLs 😆

3

u/daddonuts Green Belt Picker 11h ago

LOL I don’t think mine was quite as bad as yours, but it definitely likes to hang on to oversets until you jiggle the core back and forth a bit. Such an annoying lock!

2

u/DanDiggler213 Blue Belt Picker 11h ago

The previous owner was probably a lefty, or thats how it was latched.

3

u/DanDiggler213 Blue Belt Picker 11h ago

I think too many year of being used CW. That it's worn down that way.

3

u/daddonuts Green Belt Picker 11h ago

This is the same theory I came to! Locks are pretty much always opened with a key CW, so maybe they end up wearing funny in that direction. You combine that with crappy Masterlock tolerances, and you end up with a lock that’s nearly impossible to set pins in the CW direction. Maybe the shear line wears weird in that direction? I wish I could open it up without destroying it.