2 Pcs Black Floor Cord Cover for Office Carpet Cable Grip Strip Carpet Hold Cords in Place Wire Organizer Perfect for Power Cords Audio Cables Coaxial Cable Telephone Line (3.9" Width X 10'Length)

if you've ever looked at the end of an electric cord and notice these little holes on the plug you might have wondered what they were there for well you're not alone because many people have no idea what their actual purpose is and in this video i'm going to tell you why the holes are there why they were put there in the first place and get rid of some of the myths and wrong information about their actual use how long have those holes even been there so let's start with this appliance this is an italian pizzelli iron it's from the 60s and at the end of the chord you can clearly see this thing has the holes but the 1960s is not old enough we want to see the first plug the original invention and to do that we've got to go back to 1913 and harvey hubble he patented the first universal plug that you see here but it doesn't have the holes but look closely because what it does have these smal