It's interesting how much of learning about art is learning how to be aware. Awareness of light, color, form etc. and our reactions to them is a constant theme and is a seductive aspect of the process. The pictures above are from a class on texture. It works for me as record of techniques I practiced, some of which I would love to explore further. When I first did this, the brown was off-putting but after a couple of weeks, I look at it now and find the results quite pleasing.