Cholo Writing: Latino Gang Graffiti in Los Angeles: Hardcover Edition - Hardcoverby Francois Chastanet (Author), Howard Gribble (Author), Chaz Bojorquez (Foreword by) Cholo Writing is the 20th century's oldest form of graffiti, a Mexican American phenomenon evident in Los Angeles long before the appearance of tags and pieces in the late 1960s New York. It has had a major influence on the visual expressions of Californian popular culture, including the lowrider, surf, skate and hip hop movements. Placas are territorial inscriptions