If you have any bumps,Rashes or legions.

I tried using rare earth magnets w/ much success.  Reverse polarity of magnets and try again if no sensation felt.

I even used it on old scars from surgery, some times surgeon's practicing malice, shall drop a tracking chip into the wound for bonus incentives from the ungeisist community.

You may experience a tiny electro pluse.

Practice at your own risk….

Similar atrical:

https://criminallawyerregina.ca/is-it-legal-to-place-human-tracking-chip-implants-on-criminals/