OMG you guys I just found out my grandma's old hat was made of felt that contained MERCURY like what even is that?! apparently it was a common practice back in the day to use mercury to treat and shape the felt but now I'm low key worried about her health watch full video: https://youtu.be/LCZsfYn-5tg?list=PLjBgcvtYPpORE75rfTGw-tot-YdUQkOvo













