violet wand

English

Etymology

So called because they often glow with a violet light.

Noun

violet wand (plural violet wands)

1. A device used for the application of low-current, high-voltage electricity to the body using an Oudin coil, originally claimed to have medical benefits and more recently used in sadomasochistic sex play.
   • 1996, Joseph W. Bean, Leathersex Q&A: Questions About Leathersex and the Leather Lifestyle Answered:

     I've been told repeatedly that electricity above the waist is dangerous, but I've seen guys using violet wands on other guys' chests.