Update: changed background to a gray gradient. That way, in my opinion, colourful ponies stand out and the background doesn't ruin it. If you liked with background it is still available here: [link]
Anyway, here is Fluttershy doing (biting) Applejack's tail.
Original sketch by:
.. Thank you very much for letting me finish it.
If you like my art - watch me. (watchers = motivation)
Applejack and Fluttershy © Hasbro