rule 34 2019 all fours anthro arm tuft ass up big dom small sub black sclera bruvelighe chest tuft claws countershading dominant dragon duo elbow tuft entwined tails eye scar facial horn facial scar feral finger claws genitals horn impact emanata looking down at partner male malemale motion lines neck tuft nose horn nude open mouth pattern background penis penis in slit penis on penis purple eyes purple tongue pushing down scar sex signature simple background size difference skdaffle spiked penis spikes spikes anatomy tail tail coil thrusting toe claws tongue tuft warpjaw white body white countershading yellow body yellow countershading 8546137