If you're doing some fine work with your hands, you need your light. But overhead lights cause shadows when you're hunched over, and desk lights can get in your way. The solution? Lambs that clamp on to your arms and aim at your hands.
Instructables user Ookseer created these ingenious contraptions himself, which look to do the trick quite nicely. They also give him an Iron-Man-like quality, which can obviously only be seen as a plus. I'm a fan.