Rule 34 Dev - 5_fingers anthro biceps black_clothing black_underwear boxer_briefs bulge clothed clothing detailed_bulge fingers genital_outline hair hand_on_hip hooved_fingers hooves male muscular muscular_anthro muscular_male partially_clothed pecs penis_outline solo underwear eyrich aspen_(solidness) equid equine horse mammal 2014 hi_res|2879022055