rule 34 2020 big penis bodily fluids bondage bondage bound bound top claws collar cuff restraint digital media artwork dragon echo lambiechops erection feral genital fluids genitals hi res horn hybrid icewing wof lambiechops looking at viewer male metal collar metal cuffs muzzle object muzzled nightwing wof open mouth penis raised leg restraints rope scales scalie seawing wof simple background slit solo spreader bar submissive submissive male tail western dragon wings wings of fire 7312593