Keep eyeglasses screws tight
Apply a small drop of clear nail polish to the threads of eyeglass screws before tightening them. It will prevent them from loosening.
Make measurements visible
Make cup measurements visible by using brightly colored polish to trace over basic measurement levels.
Mark levels inside a bucket with a nail polish color that stands out.
Seal an envelope
Seal an envelope by brushing a little polish on the underside of the flap
Protect belt buckle or costume jewelry shine
Protect your belt buckle or costume jewelry’s shine by covering new or just-shined belt buckles or jewelry with a coat of clear nail polish.