GlassOuse

I hope the plan will be successful. It seems to be a device that could be "counted on",...something that would be reliable. It uses a nine-axis gyroscope!
www.newmobility.com/2017/04/glassouse/
"Glassouse Turns Your Head Into a Mouse
The Glassouse basically turns your head into a mouse or trackpad. If you can’t use your arms, this means you can finally navigate a computer screen, tablet or cell phone easily, on your own.

The Glassouse is a set of glasses that allows you to control the mouse cursor on a computer screen simply by moving your head. It connects through Bluetooth to a computer, TV, or tablet and uses MEMs sensors to calculate how it moves through space. It has a 9-axis gyroscope: so when your turns their head to the left, the glasses know exactly how much you are moving. Same for going right, up, down, forward, backward and more.

If looking at your laptop screen, the Glassouse can tell the laptop via Bluetooth exactly how you are turning your head and the cursor will move along with you. It is also compatible with many devices including Windows, OS X and Linux computers as well as Android and Apple handheld devices. Its powerful battery can even last up to 10 days on a single charge." See the rest of the article at the link.