How to pronounce “handsewn” in English

in the outskirts of Philadelphia called SEI Investments that has a world class collection of contemporary art so people live near it and they have open plan work spaces. All thedesks are on wheels and there are power cables that come out of the ceiling every so often and literally someone will work next to a life size handsewn Hummer or a wall coveredin fiber glass poisonous mushrooms or a pair of men's wing tip shoes that are made out licorice and are three feet tall so I think that there's this question of kind of art