Blue Part On The Eraser
We bet you used these erasers back in the day as well. How come there are two different colors on these erasers? No, the blue part would not erase ink. In reality, it was added to erase pencil marks on thick and strong paper. Meanwhile, the other part is there for loose-leaf or notebook paper!
Square Patches On Backpacks
There is more to the square patches on your backpacks than simple aesthetics, you know! The lashing square is added to help you carry more stuff than you can fit inside your bag. You can simply insert ropes and cords so that you can hang more things. This is a helpful tip if you like traveling and hiking.