There are plenty of video tutorials out there for aligning the mirrors on a K40. I found this one to be particularly helpful. The idea is to make sure that the laser dot hits the center of each ...

This is a really clever mod for the K40 laser, and requires relatively little in the way of hardware. It might even be able to be done with leftovers from expanding a K40 out to a much bigger ...

The installation of the Laser Defuser was a bit more difficult and reminded me why K40 likes these things to be installed by a pro. Unfortunately my license plate holder isn't removable ...