Covert entry experts have employed this technique quite successfully in many venues around the world, and the exploit is fairly well known in our community.

FORBES: Opening the Kaba Simplex Lock: Just How Easy Is It?

Often we are showing a large group of students how to complete complex mechanical tasks like disassembling locks or opening them with covert entry tools.

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In my earlier post, I rather sarcastically questioned whether Kaba engineers, in the 1960s, were aware of the concept of magnetism as it applies to covert entry.

FORBES: Opening the Kaba Simplex Lock: Just How Easy Is It?