Masturbation and the attitude :: of some Americans to it roots in history. There exist many evidences proving that just few centuries ago some parents thought the masturbation is a sin or leads to man diseases. They compelled their daughters to wear gloves made of special material called steel wool (like scourers) at night. In addition, they forced them to pour a powder on genitals that made all touches to them very painful. The boys were forced to wear at night metal chastity belts. Of course, the erection is such "clothes" was also painful. Sometimes their methods were very brutal, they new no bounds. To prevent masturbation they pieced the foreskin of their sons with a wire and soldered the ends. Thus the foreskin didn't move. Parents really believed masturbation leads to madness, illness, blindness, impotence and sexual pathologies. In our days it was already proved that it's not true.
Movies :: The biggest collection of pornography is kept in Institute for Advanced Study of Human Sexuality which is in San‐Francisco. There are approximately 80 000 books and 150 000 porno movies in the collection. The whole collection also includes posters, playing cards and other porno stuff. -The oldest porno film is the Argentine film "El Sartorio", which was produced in 1907.
Undoubtedly, you can stimulate :: the penis using just your hands and fingers. The success is guaranteed: you will reach the highest delight and, as a result, the ejaculation. But the man that doesn't want to work with hand should possess something exceptional. And it is numerous sex toys: sex dolls, realistic vaginas, dildos, and many others. As compared with hand masturbation such devices have some advantages: after their use the penis doesn't look slack and drooped. Such toy can work without a break. The hands are free and you can, for example, page your favorite magazines and books. Thus, you get the illusion of penetrating in vagina, anus or mouth. You feel warm and flexible material, and it resembles like if you have sex with real woman.