Schuyler Towne is a competitive lock picker, founder of Open! Locksport, professional security researcher, and… he really, really loves his locks. He’s released a 24 video lock picking course on the ins and outs of the subject, including needed materials, how to take apart and reassemble a lock, and how pin tumblers work, among other essential picking skills. It’s a extensive lock picking course by an expert lock picker that you can view for free. What’s not to love?