Hi all, Im new here and have already learned a lot from this forum.
I picked my first lock yesterday, it was an American red face combination lock (I picked the keyway on the back...small little guy with 4 pins). It took me a few minutes to do it the first time, then after that I could do it in about 45 seconds. After I picked it, I took it apart to do Digital Blues exercise, and I found that one of the pins had small, shallow rings around it. What confused me a little about it is that it was one of the pins the pick touches, so those rings wouldn't really do anything anyway, since you'd have to set too far down to even have them reach the sheer line. Can anyone tell some information me about this pin?
thanks,
Chris