Can you guess what our ancestors used this thing for? A test of knowledge about most common items from the past centuries might save your life if you accidentally end up in a time trap and get transported back three hundred years.
Hieronymus Bosch. The Temptation of St. Anthony. 1500-1510 / Wikimedia Commons
Do you know what this was needed for? This thing was actively used by people in the past. Now it has become so unnecessary that many don`t even understand what it is. Do you understand?