2) To make squeeky drawers run smoother. My drawers don't have new-fangled runners - just 60 years of wood on wood. Google told me to use a candle and it works very nicely. Even on the drawer I've loaded with 40 pounds of dog food.
3) To test for air drafts. I don't have new-fangled, state-of-the-art steel door casings with a weatherization rating of one million percent. I don't even have insulation in my walls. But I can seal my doors and windows.
|No air coming in here.|
|Oooohhh - breezy here.|
Now all my doors and windows are sealed tight.
Not bad for a 25 cent investment.