Since its closure due to the coronavirus pandemic, the Yorkshire Museum in England has launched a weekly #curatorbattle on social media to challenge others to showcase their objects related to a particular theme. A couple of days ago, the museum posted a picture of a hair bun from the burial of a Roman woman in the third or fourth century, kicking off a new competition. This time, curators from all over were asked to share their most sinister possessions. And they delivered.