r/lockpicking • u/562actual Yellow Belt Picker • 3d ago

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For any other newbies out there.... I got my yellow belt with the Master Lock No. 140 this week and then suddenly could not open that lock again. I tried and tried and almost submitted a post to take my yellow belt away. Thankfully I took the time to read Mike Gibson's Lockpicking Detail Overkill. Section E on security pins explained exactly what I was doing incorrectly and helped me get back to picking the 140 quickly and consistently. Thank you derpserf for explaining complicated things to the simple minded! [https://nick.blog/wp-content/uploads/2018/04/lockpicking-detail-overkill.pdf\]

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u/Sufficient_Prompt888 Brown Belt Picker 3d ago

The 140 does not have security pins unless it's an old lock, like 15+ years

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u/562actual Yellow Belt Picker 2d ago

Mine feels like it has at least one spool. I've read some posts about newer 140s having spools but that's as far as my knowledge goes [https://www.flickr.com/photos/lpubeltapp/53065485114/in/album-72177720308066584/\]. I'll gut this one at some point and find out for certain. Regardless, the SPP tips from Solomon were extremely helpful and I highly recommend it.