You can create this kind of stroke holding the pencil in a certain manner, I will show you how to take 60 pencil with a longer lead, hold it as much as possible parallel to the surface of the paper. Try to make the pressure on the whole side of the lead, not with the point of the lead, but with its whole site. You can put your index finger on the graphite for some more pressure, slide the pencil up and down onto the paper. The movement is the whole time on to the paper. We do begin as usual in the shadows zone of the face. This method of creation doesn't allow many details.

Nevertheless, the form and core shadow are still visible. You can Use the eraser for the light stone, as well as when the strokes went out of the outlines. When you work out the details with the top of the pencil, try to imitate this texture, make the stroke as much as similar to the texture. Otherwise you will bring a new character into drawing. And the point now is to create the whole portrait using this kind of stroke. The texture of the stroke is very sharp.

You can use more pressure in the darker areas or repeat the strokes one above the other For the hair, you can use eight B pencil. I need more pressure now. So I put the index finger on Delete. The reference photo is good for this example. This method is not capricious in each photo will work. Now it's finished.

You see how the gesture of the stroke determines the atmosphere of the portrait. Knowing this, you can properly use the stroke accordingly to the reference photo or the model and accordingly to your mode.