FURVERT!

1:1 anus backsack balls bdsm bondage bound butt canid canine canis cuff_(restraint)darkmare domestic_dog feral genitals male mammal mastiff mixed_media molosser presenting presenting_anus presenting_hindquarters realistic_feral rear_view restraints rottweiler shackles solo spread_legs spreader_bar spreading submissive submissive_feral submissive_male