I caught my coworker doing this ... I thought the pressure was getting to her but she explained that her head gets too statically and this removes the static What does that even mean - you ever rub clingfree sheets on yourself or your cats? I just throw them in the laundry and in pairs when I use thick socks in the winter
I work in a psychiatric hospital and I haven't seen anyone do something as weird as that. Your coworker is mental