The front side (flat and "The front side (flat and circular part) of this sharpener works as expected. But I specifically bought it for the top holes that claim you can sharpen your points by inserting and twisting without removing the point. Well that doesn’t work at all unfortunately inserting the point and twisting doesn’t sharpen anything at least with the one I got I’m not sure if I got a bad one or they all the same." — Mohammad A. (2/5)