Time to step-up to security pins? Of course it is. It's always time to be better!
SPOOL PINS are security pins that make lock picking more difficult. To pick them, you need to be better.
If you don't know how to pick spool pins, you will not know what's happening should you come across them in your picking. It's essential learning, and this lock is the essential teacher.
It's great being better. Self-improvement is what successful people do. Successful lock pickers are the same, they get better, they can pick more locks.
The amazing thing about learning is having a teacher. Having someone show you how to do more. This lock is your teacher, it shows you what's happening, what to do, and how to pick SPOOL pin locks.
In our huge experience, people who learn with clear locks, learn quicker, and learn better.