There's an extra "accessory" that came along with that maid dress~
Though it fit's well with any other costume. As shown by a couple of the cult members

When I saw that part of the tailor I knew I had to draw the lamb diapered in that dress. -v-
I originally planed to have the lamb on his own, I decided last minute to add the two cult members in the back to recreate that scene... but a bit more poofyer.