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'm going to take a shot in the dark and guess that's exactly what you did.
From the submitter:
I am in IT. Our bathroom light burned out. We have no extras but got a USB light!! Wall power to PSU to motherboard to USB port to USB light! FIXED!
Can't tell if giant bottle...
...Or tiny Christmas lights