rule 34 2021 abs accessory anthro aquatic dragon arm spikes balls biceps biped black body blue eyes chastity device chastity key claws clenched teeth cock ring collar dragon erection fist frill anatomy genitals gold metal gold chain gold collar golden restraints hati noji 8 hi res humanoid genitalia jewelry key looking at viewer male marine metal collar muscular muscular anthro muscular male navel nude pecs penetration penis penis accessory penis jewelry portrait restrained restrained arms scalie scar shoulder spikes simple background solo sounding rod spikes spikes anatomy standing tail restraint teeth three quarter portrait urethral urethral penetration vein veiny penis 7057296