Full title: A 44-year-old man went to the hospital after pus began oozing from his chest, where doctors discovered a knife that had been embedded in his body for eight years. According to the report, he showed no signs of chest pain, breathing problems, coughing, or fever, and was otherwise in good health.
Skin pushes small things out, but if you get one of the really strong 80lb neodymium magnets and mount it on a wall you can test if there’s anything there buried.