Rule 34 Dev - 4_fingers abs animal_genitalia animal_penis anthro arm_support balls bed biped blue_eyes blush bridle clothing equine_genitalia equine_penis erection fingers footwear fur furniture genitals grey_hair hair inside legwear male masturbation muscular muscular_anthro muscular_male nude open_mouth pecs penile penile_masturbation penis reins ribbed_penis sitting socks solo spread_legs spreading white_body white_fur chokodonkey conditional_dnp flein_silvermane equid equine horse mammal 2014 hi_res|2201972990