I've discovered that my skin is fairly sticky (at least a coin readily sticks to me on the vertical), and I just tried a battery as per the video. Same results as the girl : with the battery pointed almost vertically, it can roll left or right on the skin without falling down. To me this still comprises stickiness. The coefficient of sliding friction is very much greater along the battery's long axis.
On another note, yesterday afternoon my 89 year old uncle (who lives a 10 minute drive away) called 911 because, according to a neighbour, he was experiencing increasing shortness of breath since his second vaccination on Tuesday. I just got off the phone with a nurse and they will be moving him from the emergency section to the cardiac section later today or tomorrow as he's now diagnosed with congestive heart failure with fluid around the heart. Because of Covid, no visitors allowed until he's moved, sigh.
The magnetism is of course not the gravest concern about the vaccination, heart failure has been increasingly associated with the inoculation. However the magnetism hints at something much far reaching. This is a study published by a survey at Luxembourg about the observation of magnetism. TL/DR: 0 of 30 people not vaccinated showed magnet adherence, while 29 of 30 vaccinated did show adherence in at least one, But some on both, Their arms.