Rule 34 Dev - 1boy 2015 all_fours anal anal_sex ankle_cuffs anthro backsack balls bluefoxyboi bondage bondage_gear bound bridle brown_eyes brown_fur brown_penis buttplug equine erection feathering fur halter handcuffs harness hooves horse looking_at_viewer looking_back male male_only mammal mane multicolored_fur penetration penis perineum petplay ponyplay raised_tail rear_view reins roleplay sabretoothed_ermine sex_toy shackles signature simple_background solo textured_background thick_penis two_tone_fur underhoof white_fur|2379168480