Though not from Sony. Despite reportedlytoying with the idea back in 2008, the platform holder has to date never followed through with the idea of a controller that can break apart into two pieces.
https://lastchance.cc/sony-working-on-breakapart-motion-controller-5016226%3C/a%3E%3C/p%3E
You can see a demonstration video above.
Just when you thought the days of waggle and motion were over!
Mad Genius [Site, via The Verge]