This is a magnetic necklace that is effective for pain in the shoulders, etc. My mother bought it many years ago, and she doesn't seem to use it anymore, so I'm offering it for sale. m(*_ _)m I don't know if it's still effective, but a part of the chain has come off and has been replaced with a lobster clasp. #MagneticNecklace #Necklace #Women's #ShoulderStiffness #Accessories Thank you for looking. m(*_ _)m