Veterinary Anatomy World - Guess what is it? . . . Cat's penis with characteristic penile spines. Upon withdrawal of a cat's penis, the spines rake the walls of the female's vagina,
![Zoe Cormier on Twitter: "The penises of cats bear barbs a millimetre long. "Penile spines" - this years hot trend? #SexDrugs @DaCapoPR http://t.co/eRVeEU3W5i" / Twitter Zoe Cormier on Twitter: "The penises of cats bear barbs a millimetre long. "Penile spines" - this years hot trend? #SexDrugs @DaCapoPR http://t.co/eRVeEU3W5i" / Twitter](https://pbs.twimg.com/media/CA9nyROWkAEeJJZ.jpg)
Zoe Cormier on Twitter: "The penises of cats bear barbs a millimetre long. "Penile spines" - this years hot trend? #SexDrugs @DaCapoPR http://t.co/eRVeEU3W5i" / Twitter
Penis: penile barbs illustration | cats | Vetlexicon Felis from Vetlexicon | Definitive Veterinary Intelligence
![Lumumba on Twitter: "A male cat's penis is barbed. So cat sex is really painful. https://t.co/RMONCli85s" / Twitter Lumumba on Twitter: "A male cat's penis is barbed. So cat sex is really painful. https://t.co/RMONCli85s" / Twitter](https://pbs.twimg.com/media/D-8AtALXkAEF8Gc.jpg)
Lumumba on Twitter: "A male cat's penis is barbed. So cat sex is really painful. https://t.co/RMONCli85s" / Twitter
![Twitter 上的Michelle Oakley:"Who knows what this is & what species it belongs to-- is it normal? Brain #TicklerTuesday 🤓#yukonvet #wildernessvet https://t.co/CqvtVuhRpw" / Twitter Twitter 上的Michelle Oakley:"Who knows what this is & what species it belongs to-- is it normal? Brain #TicklerTuesday 🤓#yukonvet #wildernessvet https://t.co/CqvtVuhRpw" / Twitter](https://pbs.twimg.com/media/C2-opwMUAAAwXKU.jpg:large)