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Colorado-based Stefanie Hook recently shared a TikTok video showing off her magical masks, and soon became a viral sensation among Potter fans across the globe.
Hook, who sells her handmade creations online through her company CPEX (which stands for Colorado Pony Express, DYI), said she started making the masks as a way to 'bring magic' into the real world, in turn also inspiring others to get creative.
The material starts off black, but you apply it to your face it reacts to your breath, slowly revealing the image of the Marauder's Map, which shows secret passages around Hogwarts to those who know how to activate it.
Speaking to Insider, Hook - who also makes hand-sewn plush toys and accessories - said of her work: "I try to bring imagination to life in the creation of my products, ensuring that they are not one-dimensional items.
"I like to give the average person the ability to own items that are unique, and bring magic into the real world in hopes to further inspire others to create and be creative."
The masks are not medical grade, but have been created using guidance from the Centers for Disease Control, which recommends people wear face coverings in public spaces where they may find it difficult to maintain a safe distance.
Her website explains: "This face covering does not replace PPE such as N95 or surgical masks, This face covering does not protect or mitigate diseases or viruses. Please follow CDC directives for best use. This face covering is best for hobbies, or cosplay."
Hook said she often creates prototypes for products before following through with an idea, which is what the masks she revealed on TikTok was.
She said: "The video I shared was of a prototype, and I just put it together quickly to show my fans.
"I never imagined it would gain the following that it did."
Explaining how each mask can take hours to create, she continued: "From start to finish, between cutting fabric, treating the fabric, waiting for the fabric to set, and sewing a single mask together, it can take 17 hours.
"The majority of the time is waiting for the treatment to set into the fabric. I've learned to make multiple at a time, production-line style, to maximize my efficiency."
She'll be selling the masks - which come in children's or adults' sizes - 'in very limited quantities', with the products available on her website from 29 May.
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