Rule 34 Dev - 2020 abs anthro big_bulge bulge clydesdale cullen_wickers dark_nipples digital_media_(artwork) draft_horse equid equine eyes_obscured greyscale hi_res horse male male_only mammal monochrome mottled mottled_body muscular muscular_anthro muscular_arms muscular_male pecs presenting_bulge signature solo zawn|4834597920