You just bought a new loose-knit sweater, slipped it on, and your ring, earring, smartwatch, or even your fingernail snagged a piece of thread yanking an entire loop loose in the fabric. It's happened to me more times than I can remember, and if you cut that eyesore away you're asking for trouble. However, there is a quick way to fix it while maintaining the longevity of your sweater—without giving money to your dry cleaner.