" It's a cutting edge memory nanotechnology for fabric" lied the wizard.
"I'll let you borrow it for Halloween if you take careful notes of what you do, and take a couple of pictures for the record."
The wizard then handed a digital camera to Jon, setting one hand on the cameo and saying, "I really wish you two would test these items out for me for this Halloween."
Jon started to smile broadly, this solved the costume problem and meant he could make whatever changes he might want.
"Sure we'll do it, right Jon?" Karyn said as she nudged him with her elbow.
As the shopkeeper put the packages into the shopping bag, along with the cameos, the camera, and 2 sets of questionaires for them to fill out later, he stated, "I wish that you would have I have the wisdom and responsiblitly to use a wishing stone until you left this store."
"Is that everything we need for your research?" Jon said, suddenly concerned about not being able to complete what they'd agreed to.
"Oh, don't worry, just remember the cameos control the costumes, just wear them when you get home, and return with them after Halloween.
"wear them when we get home...?" Jon looked perplexed
"Come on Jon, if they can shift into any clothing, we can just change them into ordinary clothes"
"She's right, in fact, for the test run, you should wear them exclusively, don't worry, every change made will act as if they are newly cleaned" The Shopkeeper came around the counter, put the bag in Jon's hand.
"Go, have fun, I hope to see you after your last Halloween"