they sketch it by hand
peanut butter
yeah. go here: http://www.drawingnow.com/how-to-draw-sasuke.html but make sure you have flash plugin, or using internet, not firefox if you have anymore questions, email me at carebearqtpie@gmail.com
No, you can have an idea in your head and just start working on it without putting it down on paper.
i say no u don't have to know how to sew to be a fashion designer but from my point of view i think you should :p