anal anal_sex anatomically_correct_genitalia animal_genitalia animal_penis anus balls black_and_white blindfold bondage bound canine canine_dildo canine_penis cock_and_ball_torture collar dildo electrostimulation erection fennec feral fox fully_bound harness hi_res knedit lionsilverwolf male male_only male_urethral_insertion mammal mitts monochrome muzzle_(object) muzzled penetration penis precum sex_toy shock_collar solo spreader_bar urethral urethral_insertion urethral_penetration vibrator vibrator_on_penis