Masturbator guide :: Masturbator - vagina represents sex toy, imitating female genital organs. It can be of different forms (from the most simple to super realistic). It is made of various materials such latex, silicon, cyber silicon, with or without vibrator.
It can be integral or can have the main part, which imitates edea and anus. Using this sex toy, penis is subjected to active massage due to various soft nubs along the whole internal length of vagina, and due to special vibrating device.
Some vaginas has also the imitation of anal orifice.
If used properly :: condom is very effective because it reduces the risk of being infected with HIV during sexual intercourse. Using a condom also provides protection against other diseases, which are transmitted sexually and condom is also a good protection against pregnancy. The condom should unroll smoothly and easily from the rim on the outside. If it takes more than a few seconds, it probably means that you are trying to put the condom on upside down. To take off the condom, don't try to roll it back up. Hold it near the rim and slide it off. You need to use a new condom every time you have sexual intercourse. You should never use the same condom twice. If you go from anal intercourse to vaginal intercourse, you should consider changing the condom.
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.