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2023 4:3 adeer ambiguous_gender ankle_cuffs ass_up bdsm biped bipedal_feral bondage bound butt claws cuff_(restraint)digitigrade dinosaur dromaeosaurid feathered_crest feathered_dinosaur feathered_scalie feathers feet feral fully_bound gag gag_mask gagged gimp_mask greyscale head_crest hogtied legs_tied looking_forward lying mask monochrome neck_cuff neck_to_tail_bondage on_front prehistoric_species raised_tail reptile restraints saurischian scalie side_view solo tail tail_cuff tail_to_collar theropod toe_claws