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I think the EVVA MCS is one of the most interesting locks because of the clever use of magnets for bitting

http://www.evva.co.uk/products/mechanical-locking-systems/mc...

Here's a video of how it works: https://m.youtube.com/watch?v=ZBodDVOerrU

Here's a video showing how to pick it: https://m.youtube.com/watch?v=0aNvEL5p1fw

I'd be worried about my keys getting demagnetized or otherwise inadvertently altering their magnetic fields. Cool concept, though.

It is why Evva chose somarium cobalt, due to it being harder to de-magnetise. This is the best mechanical lock on the planet.

I love the MCS, but they are not super difficult to brute-force sadly.

Their main security feature is that keys were "impossible" to duplicate. However the SSDev'ers were able to decode and build make-up keys on-the-fly several years ago now. But that still leaves picking the lock a challenge which has not yet been a public development.

By brute force you mean destroy, right? I've simulated keys with much less that what the SSDev guys used. They can be opened without the key, sure.

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