Rule 34 Dev - 2017 animal_genitalia bondage bound chains claws cock_ring dragon dreamworks erection exposed feral flyttic_(artist) green_eyes hi_res how_to_train_your_dragon male male_only membranous_wings muzzle_gag night_fury penis rope scales scalie shackles simple_background slit solo spreader_bar tail_bondage tail_cuff toothless wings|2876033432