Take a look at the top of almost any soda can.
Do you see the metal pull tab?
Of course you do.
Most People Use This Every Day… But Almost Nobody Knows What This Little Hole Is Really For
Life Hacks
Why Do Some People Put an Upside-Down Glass Over the Kitchen Sink Before Leaving Home?
At first glance, it looks strange. An upside-down glass sitting over a kitchen drain, sometimes placed on top of a piece of paper or…