Many people think of a strap on, and automatically think of a lesbian relationship as being the main source of use. However, there are many different circumstances that a strap on can be used. Firstly, the hollow strap on is perfect for a man to penetrate a woman. These are usually used as a purpose of a penis extension, or often, when a man has problems keeping an erection.
Another new strap on device is the two way strap on, which can be used by lesbian couples, so both are penetrated at the same time. This type of strap on is becoming more and more popular - and for obvious reasons! Why should only one partner get the satisfaction of penetration!
Moving away form these senarios, the other use is for the woman to penetrate the man with the strap on. This is an act known as pegging and is a common activity amongst heterosexual couples. After all, the male g-spot is in his anus. The woman would often wear the two way strap on, in order to also be penetrated.
There are so many varieties of strap on available today and it can be extremely confusing trying to choose the right one for you. It may be worth taking a look at this Strap On Guide, to assist you.