Rule 34 Dev - anal anal_sex animal_genitalia animal_penis asphyxiation bondage bound butt_plug_tail buttplug canine canine_penis closed_eyes collar darkmare degradation doberman erection feral forced gag male male_only male_urethral_insertion mammal penis poodle sex_toy spreader_bar strangling tape tape_gag testicles urethral urethral_insertion urethral_penetration yaoi|2675949048