I'd be interested in seeing more about that. Looks like a combination of some of the Rover golf aids, and a swing-rite (the original one).
I'm a fan of training aids that can be used indoors with standard ceilings, as they are more likely to be used frequently.
This device is available at www.greensidegolfacademy.com in the ProShop section. There is also a video there that will show you how to learn to find a better impact position with this device.