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abs anthro balls barazoku bdsm beard biceps black_spots blindfold blonde_beard blonde_facial_hair bondage bound bovid bovine cattle chinese_text cuff_(restraint)dialogue erection facial_hair foreskin fu_touer genitals hi_res humanoid_genitalia humanoid_penis laboratory machine machine_bondage male mammal milking_machine muscular muscular_male navel nude pecs penis penis_milking_machine quads raised_hand raised_head restraints retracted_foreskin signature solo spots text white_body