On Fri, 12 Dec 2008 08:58:11 +0000,
(D.M. Procida) wrote:

I want to make an unopenable jam jar - one that will resist the
strongest grips.

What's the best way to achieve this?

I imagine that filling it up with boiling water, running a seam of
superglue along the rim and thread then screwing the lid on tightly
would get the best results.

Why? Someone can always smash it if they want to get it open.

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