This is the work of the artists who devoted his work on a chair, hand movements through the paint is a very interesting work, here is his description : Operation Design invited 20 graffiti artist to create a one-of-kind art piece of the classic molded-plywood chair with paint. The chairs were featured in a window display at BARNEYS NEW YORK on Madison Avenue and then were auctioned on ebay to fund architects and designers teaming-up with students to improve public schools. (source)