Clay is the perfect material really. >> If you think about Grommet, you know, all the emotion in in that face comes from a movement of the brow. >> Wallace's kind of classic.>> Clay underpins really who we are and what we're about. Arman started with Chicken Run. We're about to release our 11th movie.>> You need this very specific particular type of clay to be able to do what we do. Well, for many years, Oddman has used a type of clay manufactured by a company called Newlast. >> I think we used it over 25 y ...