Making A Simple Japanese Pocket Knife
The Redsmith fashions a traditional Kiridashi pocket knife from steel stock.
pocket knife
Making a TSA-Compliant Multitool
Modify a multitool so that it complies with TSA guidelines and can (theoretically) be carried on a plane.
Definitely not Boring: Old Tech Drills Any-Shaped Hole
The parser drill (a precursor to the CNC milling machine) is capable of drilling a hole in just about any shape, including sharp corners.
