Eraser: Usually an eraser is used to wipe out mistakes in pencil drawing an eraser is also used to create some kind of art which will be discussed in "Art by Eraser" category. When an eraser is rubbed it should be delicately handled if you put more pressure the fibres on surface of your paper may get damaged. I strongly recommend "STAEDTLER RASOPLAST" erasers for good results.
Drawing with one pencil will not surely bring realism for beginners. There are few grades of pencils available in market which brings good realism for pencil artists. Results of different pencil grades are shown below.
Kneaded Erasers are erasers which can be shaped to our comfort for erasing. Kneaded erasers are widely used for highlighting certain areas which will be discussed in detail in "Realism and Techniques".
Kneaded erasers can be shaped by hand for precision erasing, creating highlights, or performing detailing work. They are commonly used to remove light charcoal or graphite marks and in subtractive drawing techniques. However, they are ill-suited for completely erasing large areas, and may smear or stick if too warm.
Tortillons and Blending stumps:
These are tools used for blending graphite into paper which gives a perfect drawing. A blending stump is more similar to a tortillon but tortillon produces slightly different textures when blending. Both involves removing the used outer layer by scrapping it in a sand paper medium.
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