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3_toes abs anthro arms_above_head barefoot bdsm bondage bound chain chained chastity_belt chastity_device claws collar collar_only cuff_(restraint)digitigrade dinosaur dromaeosaurid dungeon feet floor full-length_portrait gag gagged green_body hair hi_res horn inside lights literaturabdsm male metal_collar muzzle_(object)muzzled nude pecs piercing pillar portrait prehistoric_species prisoner reptile restraints saurischian scales scalie shackles snout solo submissive submissive_male tail theropod toe_claws toes velociraptor wall_(structure)