Double penetration massager :: or anal-vaginal stimulator is sex toy intended for simultaneous anal vaginal sex. Purchasing this sex toy, you should keep in mind the fact that the space between vaginal and anal orifice is individual for every woman, that is why be careful, choosing the model for your pleasure. Double penetration toy is better to use with personal multipurpose lubricant, which is for anal and vaginal sex. There are people who are prejudiced against such sex toys, they are convinced frequent using of such sex toys leads to the addiction and woman loses her ability to reach orgasm with real person. It is not true. The best way is to treat double penetration stimulator as the instrument for increasing of sexual sensitivity and studying of orgasm mechanism. Research showed that for many women vibrator is the first step to orgasm due to stimulation, then stimulation of the partner and sex follow. Don't forget to use water based lubricant!
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.
Penis rings :: provide strong and long-term erection. Men with short-term or incomplete erection use such rings to prolong sex. Due to thick girth and prevention of blood flow penis rings, used with penis pumps, keep the penis firm and flexible. They can be of any material and form. Some erection rings have small nubs that tickle and irritate the clitoris, bringing the continuous stimulation to a woman. The rings are stretched and put on the head or on the base of the erect penis. To eliminate the effect of sliding you need to put the ring on dry penis, and then use some lubricant to avoid the discomfort. Don't wear it more than 1,5 hour.