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.
The other :: also well-known variant is penis rings. They are designed for men with insufficient or fast-falling erection. The ring is put on the penis at the moment of maximum erection. The penis keeps its firmness and flexibility due to thick grasp and prevention of blood outflow. Usually such kinds of erection keepers are made of latex or silicon. Can be in the form of loop. You need to begin the selection of such ring from the biggest size – rings shouldn't be thicker than it's necessary for penis firmness. Don't wear the rings longer than 30 minutes. If you like to use it longer, you need to make small pauses to restore normal blood circulation.
Statistics in figures :: 100 millions sperms are produced in organism of average men at the rate of 1000 sperms per second -Gays and bisexual men masturbate most of all, 1‐2 times a day, and oftener-26% of women under 40 use vibrators, 88% of women purchase vibrators-Men think about sex or anything related to sex approximately every 8 minutes-The average time which is spent on prelude by 2/3 couples is 6‐20 minutes-Calorie content of average doze of sperm is about 150 kilojoules, while for an hour of sex person loses 630 kilojoules