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alien alien_abduction anal anal_probe bdsm black_border bondage border bound clamp clipboard cutie_mark digital_media_(artwork)drill drilldo dual_holding duo equid equine examination_table female feral friendship_is_magic from_behind_position fucking_machine fur furniture hair hasbro holding_clipboard holding_object holding_pen holding_writing_utensil horn kloudmutt looking_at_viewer lying machine mammal medical_examination multicolored_hair my_little_pony mythological_creature mythological_equine mythology open_mouth pen probe purple_body purple_eyes purple_fur purple_hair raised_tail restraining_table scientific_experiment sex shocked simple_background spread_legs spreading surprised table tail taking_notes teeth tongue twilight_sparkle_(mlp)two_tone_hair unicorn writing_utensil