For an added touch, you can cover the can with red saran wrap to make people think you're going backwards.
Just kidding, don't do that. Safety first, kids.
~Not-"Not-So-Handy Andy" Jack
I use them too often. Gotta stop taking them for granite.
Now that thar's some barnyard engineering!
I can make my own foglights, damnit!
...try the exact same thing again. User Eyellgeteven especially likes that this same fix has been done before; note that you can see the remnants of old duct tape gone by.
From the submitter: Headlight made of tupperware, cd case, lemon ice container, and the wonderful, magical, duct tape.