His innovation consists of a camera mount and a strap that can be attached to the frame of a wheelchair, bike, or even around someone's wrist like a cuff.
For his particular purposes, she designed it for hooking to his wheelchair. It holds the camera on the frame of the wheelchair allowing it to be held steady. It is also perfect for taking action shots, attaching easily to a bike or just about anything with handle-bars or something which you can attach the straps around.
Adapted from: http://bit.ly/2jDuC8c