it mainly feels like a buzzing. It's right up against then never that goes into your fingertip.
Exclaimer: feel free to ignore my questions.
Interesting, do you know if that is from the push/pull from the magnet on your nerve or if it is a current generated as you move your finger in a magnetic field or something?
http://www.theverge.com/2012/8/8/3177438/cyborg-america-biohackers-grinders-body-hackers