Caste of Locksmiths
Here are relevant references from the Books where the Caste of Locksmiths is mentioned.
I make no pronouncements on these matters, but report them as I find them.
Arrive at your own conclusions.
I wish you well,
Lastly it might be mentioned that it is a capital offense for a locksmith, normally a member of the Metal Workers, to make an unauthorized copy of a key, either to keep for himself or for another.
Assassin of Gor Book 5 Page 52
She was sold for four copper tarsks. I did not see who bought her. I think it was a locksmith from Ti.
Beasts of Gor Book 12 Page 78
One of them held an unshuttered dark lantern and the other opened a leather wrapper containing keys and tools on the ground. He, then, with a variety of keys and picks, and small tools, swiftly, expertly, trying one thing and then another, addressed himself to the upper lock. He was skillful, and apparently a smith in such matters, perhaps a skilled specialist within his caste. In fifteen Ehn both locks had yielded. The cage door was opened and I was pulled out. I was put on my back and the man, swiftly, with numerous small keys, and some of the other tools, addressed himself to my collar lock. I felt the collar pulled away. Then, in a few Ehn, I had been freed, too, of the manacles, and then the shackles.
Kajira of Gor Book 19 Page 191