Is there a video that expands on how to practice or get used to drawing with the shoulder, elbow, and wrist? Or perhaps some examples of when to shift your emphasis from big arm movements to more of the elbow or wrist? For example, I'm pretty sure I wouldn't want to use my whole arm for fine details, but I don't yet comprehend these things. I just know that I tend to smudge my work when I hone in on certain things because I end up bracing my hand or elbow against the paper. Thanks so much!