I'm teaching a student today a private lesson. I'm going to talk about the Rub Out Method in painting. These are a couple of photos of a small study I did for a larger painting.
• Start with an underdrawing of varied detail or just draw freehand
• Pull paint off the canvas with brushes, cloth, q-tips, anything that works
• Leave paint in areas that you want the darkest values
• Usually it is done in umbers or siennas
This helps in numerous ways
• Helps establish values before color
• Creates an underpainting to "follow" when adding additional paint
• Without a lot of invested time/supplies a composition can be established and re-worked

You can start with an underdrawing (of varied detail) if you want. It's not necessary.

You pull paint off the canvas with brushes, cloth, q-tips, anything that works

Finished study using the rubout method
Here is a series of photos from an oil painting study I did recently for a larger painting I'm doing later .
Painting title: I Love You.

Study of 143 - I Love You ptg

Study of 143 - I Love You ptg, close up

Study of 143 - I Love You ptg

Study of 143 - I Love You ptg, close up

2 studies of 143 - I Love You ptg • took about an hour to do each