Originally Posted by mrsD

You'll have to try placements. Sometimes up or down the nerve...works better. Then there is the polarity. One pole will stimulate the nerve, the other settle it. So if you get more discomfort with a placement, you'll have to flip the magnet over.

There are plastic coated ones now, to prevent rashes from the metal touching the skin.

When I started, these were not readily available, so I put tape on that side that goes toward the body.