FURVERT!

4_toes absurd_res anal animal_genitalia anthro bodily_fluids border_collie canid canine canis claws collie cum cum_inside domestic_dog dujal duo erection feet felid feline genital_fluids genitals herding_dog hi_res kinsheph knot knotted_penis lion male male/male mammal pantherine pastoral_dog pawpads paws penis sex sheath sheepdog toe_claws toes zilvus