Twist&Brush, A Kind of Reverse, Toothpaste-Filled Fountain Pen for Teeth

Imagine a beautiful old steel fountain pen, with its twist-to-suck pump that slurps in ink. Now imagine that instead of twisting the reservoir to fill the pen, you turn it in the other direction and force ink to seep out through the nib.
Now imagine that instead of ink, you are squeezing out toothpaste, and instead [...]

Jennifer ODell Jennifer Scholle Microsoft HTC