Rule 34 Dev - ball_gag bdsm begging_for_mercy bondage bound dialogue duo erogenous_change feet female feral forced forced_orgasm forced_trotting gag genitals helpless hoof_fetish hoof_focus hooves horn injection orgasm penetration production_line questionable_consent sensitive_hooves sensitivity_increaser sex_toy sex_toy_in_pussy sex_toy_insertion slave_training solo_focus suspension suspension_bondage text tickle_torture tickling tickling_feet tickling_hooves treadmill underhoof vaginal vaginal_penetration vibrator vibrator_in_pussy caroo friendship_is_magic hasbro my_little_pony mythology twilight_sparkle_(mlp) equid equine mammal mythological_creature mythological_equine unicorn comic english_text hi_res|18990898010