FURVERT!

4_toes absurd_res alistair_(toothpasta)all_fours anthro anus athletic backsack ball_bondage ball_ring ball_rope ball_size_difference ball_stretcher balls barefoot bdsm big_balls bondage bondage_gear bound bull_terrier butt canid canine canis cock_and_ball_torture domestic_dog feet genital_rope genital_torture genitals group hi_res humbler hunting_dog looking_back male male/male mammal marsupial multiple_subs muscular muscular_male muscular_sub nude overweight overweight_male pawpads perineum presenting puffy_anus raccoon_dog raised_tail rear_view restraints rope rope_around_balls rope_bondage signature submissive submissive_male tail take_your_pick tanuki terrier testicle_cuff toes tomoe_(toothpasta)toothpasta vombatiform wombat