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A comment on Why I Had a Magnet Implanted in My Finger. Parent comment

Re:Why I Had a Magnet Implanted in My Finger by manachar on Wednesday July 06, 2016 @05:57PM (#12046140)
I wonder if you could get similar results by having some magnetic ink tattooed into an optimal pattern on the hand.
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Re:Why I Had a Magnet Implanted in My Finger by jkot on Wednesday July 06, 2016 @06:00PM (#12046155)
Maybe write an app for smart watch. Most devices have compass and vibrations.
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