 penises together.Tribadism or tribbing: two females mutually rubbing vulvae together.Docking: mutual masturbation by inserting the glans penis into the foreskin of another penis.සමූහ ඉරියව්[සංස්කරණය]ක්‍රිස්තු පූර්ව  510 දී පමණ සිතුවම් කරඇති සමූහ ලිංගික වර්‍යා නිරූපනය කරන සිතුවමක්.19 වන සියවසට අයත් සමූහ ලිංගික චර්‍යා නිරූපනය කරන සිතුවමක්.Various people of gender and orientation may participate in group sex. While group sex does not imply that all participants must be in sexual contact with all others simultaneously, some positions are only possible with three or more people.[32]As with the positions listed above, more group sex positions become practical if erotic furniture is used.=== තිදෙනෙක් ===When three people have sex with each other, it is called a threesome. Possible ways of having all partners in sexual contact with each include some of the following:One person performs oral sex on one partner while they engage in receptive anal or vaginal intercourse with the oth