Essentially, you tell Hazel to watch /Volumes for a folder named whatever your SD card (or cards) are called. Whenever Hazel ...

Just imagine you’re taking many beautiful sunset photos with your camera, excited to keep them forever. But something goes wrong when you try to put them on your computer! Don’t worry; this can happen ...

If you've been using SD cards for years, you probably have old ones lying around with low storage and not much use. This solution will give them a new purpose.