Cho and Melinda
Seeing as her wand had indeed gotten caught up in the fabric of the fabric of the dress she pulled it out. The pocket quickly faded out of existence and anyone looking at the dress wouldn't have even realized there was a charmed piece of fabric designed to obscure her wand. The question asked earlier had not been verbally answered but had triggered Cho to make the check.
"This is the shift they gave me for today," she decided to hold her wand for a bit before placing it back in it's hiding spot. "I'd have much prefered to be on street duty this evening."