PlayStation 3 prototype with “Boomerang” controller : r/gaming
3D Printed Replica Ps3 boomerang Controller - Etsy
The Boomerang: What Might Have Been - IGN
3D Printed Replica Ps3 boomerang Controller - Etsy Sweden
Did PlayStation 3 really try to come out with a controller called the boomerang but wasn't received well so they stuck to the regular looking controller? - Quora
PlayStation 3's Early 'Boomerang' Controller from 2005 - YouTube
eBay Watch: Another Prototype Controller, This Time For M2 | WIRED
Sony PlayStation 3 Alpha Rev 3 Prototype Controller - Consolevariations