Here's the story behind the 'coffin dance crew' we see on the internet every day

Once Upon a Time in History on Instagram: "The coffin from del Toro's Frankenstein was a real thing! Introducing Fisks Metallic Burial Case, the expensive cast iron, air-tight burial option that promised to protect your deceased loved one and break your bank! #frankenstein #miagoth #victorians #history #guillermodeltoro #darkhistory #gothic"