I’ve been doing a lot of fiddly gluing lately and, despite my best efforts, some adhesive collects in the lid’s screw threads. The gummy residue makes it really hard to unscrew the lid without a strap wrench after a few days.
Wrapping two turns of silicone tape around the cap helps tremendously:
It’s obvious in retrospect, is all I can say…
The Smell of Molten Projects in the Morning 
Try a broad rubber band type strip cut from an old cycle tube.
That’ll work, too!
I really like silicone tape, though: it’s one of those few New Things that actually does something useful.