If duct tape is the “handyman’s secret weapon,” then the fingernail must be the “handywoman’s secret weapon.” I’ve used mine as a screwdriver, tweezers, scraper, and more.
Check out this tech tip… Unlike the previous tip about cleaning “e-dirt” from your computer, this one explains how to clean real dirt from your mouse with a fingernail. But not to worry all you fingernail-less folk, the tip of a small flathead screwdriver or a wooden manicure stick will also work.
I frequently have to do this with our public computers. It’s amazing how much gunk builds up in there.
Source: Depraved Librarian