Doctor Vet inseminates Wendy Wonder with a knotted dildo with a tube to inject the semen into her. His previous attempt to inseminate a bitch failed, but this time, successful insemination and knotting has occurred. After the bitch's vagina has been fill with sperm, an oral knot dildo is shoved into her mouth to inseminate her stomach full of sperm, thus completing the double ended bitch insemination. Now the bitch just has to wait 9 months to give birth.