Docking, is a sexual act performed between two men. One man places the glans of his penis within the foreskin of the other man's penis. Sexual behavior is a form of physical intimacy that may be directed to reproduction (one possible goal of sexual intercourse) and/or to the enjoyment of activity involving sexual gratification. ... The glans (literally, Latin for acorn) is a structure internally composed of corpus spongiosum in males or of corpus cavernosa and vestibular tissue in females that is located at the tip of homologous genital structures involved in sexual arousal. ... The Male Anatomy The foreskin or prepuce is a retractable double-layered fold of skin and mucous membrane that covers the glans penis and protects the urinary meatus when the penis is not erect. ...

Between partners who are both circumcised, docking can be done with the use of a docking sleeve, a kind of sex toy. The practice is known in the Central European gay community as Pigeon-Holing. Circumcision is the removal of some or all of the foreskin (prepuce) from the penis. ... A docking sleeve is a sex toy which is sometimes used to aide the sexual act of docking. ... A sex toy is a term for any object or device that is primarily used in facilitating human sexual pleasure. ...