Spooky Friday Rec: "Costume Shop" (Patreon)

Halloween isn't for a few weeks yet but I've already begun thinking about what - sorry, who - my costume is going to be this year! As such, I've found myself looking back at stories involving transformations triggered by costumes and what should I find but a perfect fit in this story by Sean Mitchell back in 2009, courtesy of the Male Transformation Blog:

"Costume Shop" by Sean Mitchell