She considered the door for a moment. Should she just go in? Knock first? Then she spotted what looked like a doorbell, and pushed it gently with her nose. Delicate, musical chimes sounded inside. After a moment, the door was opened by a bright yellow unicorn mare with a light grey mane pulled back into a no-nonsense bun. She looked fairly young, at least compared to Lime Swirl and especially to Granny Smith, so Erin assumed that the gray was cosmetic and not due to age. 