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Wiki - penile spines - e621
post #1701935 post #849784 post #1585885 post #1631980 A feature of the feline penis and other mammals (such as fossa, spotted hyena and echidna ) as well as...
wiki penilespinese621
https://e621.net/wiki_pages/24970
Wiki - penile - e621
post #2644118 post #2742198 post #2918790 post #3022430 post #3103348 post #3460890 Any form of activity relating to or affecting the penis . Note: The penis...
wiki penilee621
https://e621.net/wiki_pages/26625
Wiki - penile penetration - e621
Used for posts depicting sexual activity wherein the penis is used to penetrate some orifice, often a vagina or anus. Tags About Penetration penetration Tags...
wiki penilepenetration e621