Usage :: -Before the first use or transfer to another person you should sponge it with antiseptic and/or wash it in warm water with soap.-Before and after use you should wash up the penis ring with warm water with soap.-Use only specially designed intimate lubricants to avoid the harm of material.-Be attentive! Don't take off the ring right after the end of sex. Don't use the penis rings constantly during continuous sex. The absence of normal blood circulation can bring the unpleasant effect.-Don't use penis rings during anal sex, they can slide down and remain in woman's body.-Don't sponge it with alcohol or boiling water.
Realistic vibrator :: is sex toy made by the way of taking a cast of real penis. Modern sex industry offers realistic vibrators, which repeat the size, color and shape of real penis. Due to the latest technological developments, one can find realistic vibrator which does not differ from natural penis. Such likeness with natural penis is achieved due to the material, which is used in sex toys production. Each producer has its registered trade name of the giving material. Cyberskin, Ultra skin, New Futurotic Material, Loveclon, Magic Flech and others. As all varieties of the giving material are similar to each other according to physical properties, most sex stores use such term as cyber skin which unites all realistic materials.
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.