Many couples start with frottage, or rubbing their genitals together, before docking.
People can practice docking as a standalone sexual activity or with other sex acts. Some people distinguish between dry docking, before ejaculation, and wet docking, which occurs if the couple ejaculates at the same time during docking. Docking is sometimes called male docking or penis docking. During docking, two penises come together, just like a space shuttle and space station do. This slang term comes from the original use of the word docking, the joining together of two space vehicles. As docking puts couples face to face, it can also be a good way to build intimacy. People who practice docking say the practice can lead to very intense and powerful orgasms.
Ejaculation often occurs, but it isn’t an essential part of docking. Alternatively, one or both people may masturbate the penises. Once joined together, the couple may thrust backward and forwards, gaining sexual pleasure from the friction caused by the giving partner’s tightly stretched foreskin moving over the head of the receiving partner’s penis. Both circumcised penises are inserted into the masturbation sleeve, which is then moved back and forth to stimulate both penises simultaneously.
Two people with circumcised penises may use a masturbation sleeve that is open on both ends to simulate docking with foreskins.