If you were born in the 80s – or even the early 90s, you probably recognise the eraser above.
A tough, hard-working little thing, the red side was EXCEPTIONAL at removing pencil from paper – and as legend has it, the blue side was supposed to be able to remove INK from paper.
So riddle me this, how come after getting my pen licence, each time I tried to remove an inky mistake, I had to reach for the liquid paper? YEP, the blue end most certainly DID NOT remove any ink I used.
So, we got the facts.
According to an answer on Quora, this is actually what the blue end was intended for.
The purpose of the bi-color eraser is to provide two different textures of eraser. The hard (blue) and often gritted end is useful for erasing on heavy weights of paper or dark marks. The soft end(pink/orange) is useful for light grades of paper which the hard gritted side would tear apart, and also for precision erasing, such as removing a light stray mark from among dark marks.
So, there you go! Different textures, HEAVY WEIGHTS of paper – not
Gifs via giphy.com