Something to think about before you get your magnet implants
The finger below belongs to an individual who "had magnets implanted in my fingertips in order to allow me to sense electromagnetic fields".
Well that could come in useful no doubt. But in this case it, wasn't so, well, handy.
While agressively opening a jar of pickles, one of the magnets split. The split magnet spilled potentially cytotoxic, mutagenic, and carcinogenic neodymium particles into the body.
Nasty.
As one would expect, extraction was deemed necessary.
NOTE: The following linked pages include rather bloodcurdling images.
This page deals with the logic and logistics of getting magnet implants
And this page deals with how to get your magnet implants out when it all goes horribly wrong.