I'm in two minds about pinning this. It's a useful tutorial for fashion illustration. However, the illustrations border on promoting anorexia. It would be good if fashion illustration started showing normal rather than elongated and emaciated forms.
now this is really impressive, it's a gesture drawing in 30 seconds, and you can just see the professionalism in these lines. this person knows what they're doing and you can get to their level only with practice