#12 White erasers suck in general, but there is a big chance you rubbed it on your face and got skin oil on it I used to clean the eraser by rubbing it my jeans. I'd imagine any other rough fabric would work.
#12 White erasers suck in general, but there is a big chance you rubbed it on your face and got skin oil on it I used to clean the eraser by rubbing it my jeans. I'd imagine any other rough fabric would work.