Thanks, Alex.
You're absolutely right - working with pastels and charcoal is challenging, but it's good to try new things. And yes I'll use photos as models - I never thought of it before, but using someone else's sketches might encourage me to imitate their style. It's best to develop my own.
I bought a can of fixative and will experiment with it out of curiosity, but would rather not spray anything on my sketches. So I'll take your advice and keep them in plastic sleeves - what a great idea, thanks!
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