At the time of penetration, the canine penis will not be erect, and only able to penetrate the female mainly because it features a slender bone known as the baculum, a feature of most placental mammals. The basis consists of the two muscles (ischiocavernosus and bulbospongiosus muscles) and proximal expansions https://nimmansocial.com/story9626237/the-ultimate-guide-to-filler