[Cheng Guo] shows off one of his many mouth-powered tools above. It’s a tiny drill which spins with the opening and closing of your jaw. The concept may seem a bit silly, but his ability to ...

But to mitigate bad breath, brushing your tongue with your toothbrush likely won’t cut it. Your toothbrush’s bristles are ...

Its wide open mouth, top zipper closure, and internal frame make it easy to access tools, without having to dig through the bag. A third shopper wrote, “My husband is very satisfied with the ...