Since it relies on veins, it seems that it would defeat the fiends that would cut off someone's fingers to gain entrance.
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Yeah, I think too that's the primary purpose, maybe it won't work with a non-working (a.k.a. dead) finger.
Your veins don't disappear when you die.
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Since it relies on veins, it seems that it would defeat the fiends that would cut off someone's fingers to gain entrance.
Yeah, I think too that's the primary purpose, maybe it won't work with a non-working (a.k.a. dead) finger.
Your veins don't disappear when you die.