Correction : the video with the key stuck on her forehead, not quite the proof. I think she should try on with thick neodymium magnet and clean up the oil on her forehead to prove it. I tried on with the key like her and thin plastic refrigerator magnet, it's stick on my forehead , with no oil and with oil on my forehead, I never take the vaccine and covid test at all. When I stick my forehead with thicker magnet, it does not work

For the best try using metal detector on her.