How to accent a prominent feature such as the eyes or jaw in a photo caricature.
HOW TO MAKE PHOTO CARICATURES
By Weegee (The Famous!)
WANT to accent a prominent feature such as the eyes or jaw in a photo caricature?
Using distorted sheet plastic as a supplementary camera lens will do it. Take a clear sheet 1/16 to 1/2-inch thick, heat it in an aluminum foil pan, twist it with gloved hands and dunk it in cold water. Then turn it before the subject, looking through for the desired effect. Repeat the heating and twisting if necessary. Once you have the effect, take the photo through the plastic. Some remarkable results are illustrated.
Found on Modern Mechanix Blog