It’s hard to imagine how much of the houses we currently live in have changed over the years. The appliances that the kids of Generation Z are growing up with include smart refrigerators that can help create shopping lists and smart speakers that answer any question you ever wanted the answer of.
However, for people of the past generations, the things that populated the interior of their houses were completely different, including the object below. While many younger people might not recognize it, this accordion-like metal frame was crucial for comfort, especially in the Midwest and Northeastern parts of the United States from the months of October to April.
