anthro arms_behind_back avian ball_stretcher balls ballsack beak bird blush bondage bound cum cum_on_food cum_on_penis electric electric_shock electricity food gag humanoid_penis kneeling male malesub muzzle_(disambiguation) nipple_clamp nipples open_mouth_gag penetration penis plate ring_gag scrotum testicles toy twstacker twstacker_(character) urethral urethral_insertion urethral_penetration white_balls wings