Simply turn it on and projects a red dot and moves it in random patterns for 15 minutes, or until your cat (or dog, or baby) realizes what's going on and attacks the gadget itself.
You know why cats love lasers so much? Because they're from the future. Plus it has something to do with their nightvision. No, really, I'm not just making this up. I took a
correspondence college course in beertasting science. I wore a lab coat and everything.
Video of the POS in action after the jump.
Thanks to Jessie, who just ties a string to a laser pointer and tapes it to the ceiling fan. Smart thinking!