Popsugar Living Home Renovations Ways to Use WD-40 13 Ingenious Ways to Use WD-40 Around the House August 30, 2020 by Kate McKenna View On One Page Photo 10 of 14 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 10 To Fix a Sticky Lock Spray WD-40 into a sticky lock to get it working like new again. Previous Next Start Slideshow Home RenovationsCleaningWD-40