This popped up on one of the guitar groups on facebook so i checked it out.
One of those things that would be good if you have a whammy bar and strings going out of the nut at an angle.
https://www.string-butler.com/

That just looks super cool.... 

At least 99% of this type of thing I see exist entirely because you can most guitar players just about anything. 

This one looks like it might actually not be ridiculous.

Peter

The introduction of neck-dive would be my only concern.  But, if it's aluminum... very cool, though.

The see-through acrylic version should be even lighter.

Peter

I worked with a producer who had one of these on his Les Paul. It was very groovy. I think it would be a good solution for certain models - certainly vintage Juniors would be improved by it. It requires no modification to the axe at all.