The title of the YouTube channel 5-Minute Crafts implies that this is a craft that can be completed in just 5 minutes. I'm skeptical that this rather involved prop creation can be done that quickly, but perhaps it is possible with a lot of prep work, like on a cooking television show.
Would this be a good decoration for your upcoming home Halloween party? Yes, but I propose another use beyond confusing your intoxicated guests looking for relief. A terrifyingly monstrous mouth eating humans from the bottom up is exactly what a toddler needs for toilet training. This mouth toilet would make going potty all the more fun.
-via Technabob