No, it's not a medieval torture device -- but it will send chills up and down their spine. Chills of ecstasy that is. It's a toe-tingling experience that requires no batteries or even hair. They simply place the tingler over the top of their head like a crown and gently raise and lower its 100% copper fingers. Then get ready for the oohs, aahs, and shivers of pure delight. This hand-held massager stimulates acupressure points and scalp nerve endings, releasing stress and awakening endorphins.