I think he should maybe look into getting a Chapman Stick. It'd probably weigh a lot less than that tabletop with 2 Washburn necks that he's currently got strapped on.
Also whilst it is technically very clever it strikes me that this is the antithesis of everything that's great about loud, greasy, electric guitars belting out Rock 'n' Roll.
Course I might have a different opinion if I could play like that