We bought a induction hotplate a while back, and sometimes fry stuff on it in a place where we also keep jars of things like apricot jam.
It turns out if you lightly spatter your jars with cooking oil, then subject them to the normal vibrations of a house with people moving around and traffic etc, the jar lids work their way loose in time to the point where they are effectively off when you pick up a jar, no matter how tightly you put the lids on.
I love the universe.
It just keeps revealing new bit's I didnt even know it owned.
120ThingsIn20Years thinks stuff is awesome.
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