Powerwave Elite Ergo GripDesigned for comfort, the Powerwave Elite Ergo Grip is the perfect accessory for handheld play. The slider design allows the included two pairs of grips to be easily changed to suit your preference. The removeable cartridge holder can store up to six cartridges, ensuring that you always have your favourite games on hand. Key Features Interchangeable Back GripsEasily switch between two sets of grips with a simple sliding mechanism to match your comfort