When buying a safe, you might notice that manufacturers never make any guarantees that the safes are unbreakable. There is an understanding that given enough time and sufficent tools, all safes can be defeated. Instead companies offer estimates on how long it will take to be cracked.
“Examinable” and “unexaminable” are implied to be disjoint categories but there is in fact a continuum of examinability. The term “fully examinable” was invented to imply that the gimmicks are so good that no spectator would ever be able to figure out the secret. I’ve never really liked the phrase “fully examinable” because I think a sufficently motivated attacker with the right tools will be able to uncover the gimmicks, but I might just be being pedantic.
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