How were Alfred Wallises paintings painted?

Alfred Wallis, a self-taught artist from Cornwall, primarily used oil paints on pieces of cardboard or wood, often repurposing materials he found. His paintings are characterized by a naive style, featuring simple shapes and bold colors to depict coastal scenes, boats, and landscapes. Wallis employed a distinctive technique, applying paint directly from the tube without much mixing, which contributed to the vibrant, textured quality of his work. His approach reflected his personal vision and experiences, capturing the essence of his surroundings.