The mechanical hand thing reminds me of a real-life mechanical contraption that used to clamp on the neck and fret chords for you. 

It used to be advertised in the back pages of the now defunct and somewhat infamous UK Sunday newspaper The News of the World  in the sixties and seventies as I recall along with a load of other slightly whacky inventions like 'the Big Slipper' (which was a thing for keeping both feet warm when sitting for long periods - you just treated it like an oversized shoe into which you could slip both feet whilst sitting in an easy chair) ; the blanket with sleeves which was again designed for when just sitting watching TV; the 'Cut your Own Hair' device; the TV Screen magnifier which was used to magnify old-style small monochrome TV screens (it was a hollow glass 'lens' which had a convex front and the whole thing hung over the front of the TV.  You filled it with a light transparent oil or three coloured oils of different consistencies - starting with the heaviest: brown through green and maybe pink to blue at the top, which kind of gave a primitive impression of being color TV LOL).

Bring on the whacky inventions, they are fun if nothing else 

My fav control option is the Genuine Modesty level lol... =)