3_toes ambiguous_penetration anthro arm_tattoo back_tattoo balls bed big_balls black_body black_fur black_tattoo bodily_fluids bound brown_body butt butt_tattoo chain chained claws cuff_(restraint) cum cum_drip cum_on_bed cum_on_body cum_on_leg cum_pool digitigrade dripping duo equine_balls equine_genitalia excessive_cum excessive_genital_fluids feet female forced foreleg_tattoo from_behind_position fur furniture genital_fluids genitals larger_male leg_tattoo legs_tied long_tail lying male male/female mattress messy monochrome_tattoo motion_lines muscular muscular_male on_front pawpads penetration rape rear_view restraints sex shoulder_tattoo size_difference slim_female smaller_female smaller_penetrated spots spotted_body spotted_fur spread_legs spreading sweat tattoo thigh_tattoo thrusting toes trash tuft oldhroft shadow_(oldhroft) avian equid equine horse mammal velari hi_res