i found this Retractable Hand Grip for PSP on dealextreme

http://www.dealextreme.com/details.dx/sku.4553

i own a psp phat and my analog hand is sore after about 15mins of game play.

what kind of experiance if any has anyone had with an addon like this for their psp like this?

ps - in not planning to do a ps controller to psp acidmod mod anytime soon and prolly never will.