NPC Sandra: Create [Muffler] Costume?

Suggestions
1

Imported from legacy Flarum.
Original author: R_Zoro (Flarum #207)

I wanted her to change a muffler into a costume but she said to report it to the GM team so that it could be added to her service so here I am lol.

2

Imported from legacy Flarum.
Original author: Muh (Flarum #1)

Hi there,
garments without a visible sprite/effect will not be convertible.

3

Imported from legacy Flarum.
Original author: R_Zoro (Flarum #207)

Ahh ok thanks Muh.