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.
Glass sex toys :: are unique, hand made devices that can be warmed up, cooled down and will last a lifetime if you care of them properly. Smooth glass means smooth penetration and an incredible orgasm. Even curved glass sex toys with are smoother than most plastic or silicone toys. The majority of glass toys are made from high quality Pyrex, which is a durable, safe material that can be heated up or cooled down in your fridge or freezer. You can find glass toys of any colors which are used to maximize the beauty of a glass toy. Glass toys have some interesting safety advantages. The main advantage is that glass is not porous, which means it's a whole lot easier to clean and disinfect than a lot of other sex-toy materials.
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