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Wrong Answers Only: What do these metal desk boob things do?
(startrek.website)
Just noticed they're used by both Bajorans and Cardassians.
Text in the first panel is irrelevant - it was just the best quality picture I could find for that scene.
The Scientology E-Meter (electropsychometer) is a religious artifact used in "auditing" to detect emotional reactions, spiritual distress, or "engrams" by measuring electrical resistance in the body.
First thing I thought of for some reason.
Or a pair of Van de Graaff generators.
Holding them makes your hair stand up.