The Touch Pen (also known as Granny Pen or Fat-Ass DS Pen) is an object included with the Nintendo DSi XL and is exclusively made for it. The Touch Pen is a larger version of the standard Nintendo DS Stylus, allowing for easier grip and tapping for certain games and applications such as Flipnote Studio. Despite its similar size, the Nintendo 3DS XL does not include a Touch Pen and it cannot be fit into a Stylus Slot in any DS

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