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abs aduran animal_genitalia animal_penis anthro balls beard biceps body_hair bottomwear bottomwear_down brown_body chest_hair clothed clothing equid equine equine_genitalia equine_penis facial_hair genitals hair half-erect hi_res horse low-angle_view male mammal medial_ring muscular muscular_anthro muscular_male muscular_thighs nipples partially_clothed pecs penis pubes shorts shorts_down solo tahoe_(stormwx_wolf)vein veiny_arms veiny_muscles veiny_penis veiny_thighs