Penis pumps :: is one of the most useful groups of sex toys. They are used to strengthen the erection and to cure the impotence. With the help of vacuum penis massage men with lower potency can considerably prolong sexual activity. The operation of such massager is based on the stimulation of blood inflow to the organs. Vacuum pumps were designed as a therapeutic mean to cure the congestion of blood in pelvic area. If after the use of pump the erection weakens quickly, you can use penis rings that break the blood outflow. The creation of penis pumps is connected with observation of arousal in jet aviation pilots. During the climb at high altitude, low atmospheric pressure provokes the congestion to genitals. According to researches, during natural erection penis size increases in 5-7 times, while during the vacuum massage - in 8-12 times.
Lesbians who like penetration :: may want to try strap on dildos. Here are some tips for great sex with this kind of sex toy. Put on your harness and strap on dildo and get used to how it feels before falling into passion with your partner. The tighter harness is the more control you will have and the more sensation you will feel. Don't forget about foreplay. Kisses, touches are always welcomed. Get her excited and turned on before you penetrate. Put a condom on your strap on dildo and use plenty of lubricant. Go slow and easy the first time. Let your partner guide you in how fast, deep, slow, rough or easy you move. Try different positions. Missionary position allows for face to face intimacy, doggy style allows you to penetrate deeper inside her. If you want to change the orifice, remember to change condoms. Both partners have to enjoy the playing!
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.