Rule 34 Dev - anthro anus anus_focus ass balls bodily_fluids body_writing butt_focus degradation domestic_ferret erection free_use fur genitals glory_hole graffiti knot male mammal mustelid musteline pawpads penis photo presenting presenting_hindquarters public public_sex public_use purple_body purple_fur sex solo submissive tail tally_marks tape text through_wall tide_wolfia true_musteline weasel writing_on_butt|13746359408