Neo Geo Mini Controller Mod for Real Neo Geo & Clicky D-Pad

Magic Trashman has written a tutorial on how to padhack a Neo Geo Mini controller to DB15 (arcade/Neo Geo direct connection) and add a clicky microswitch d-pad to it. It's a relatively complex mod involving custom 3D prints, but MT has been offering pre-modified controllers for sale through Twitter.

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Neo Geo Mini Controller Mod for Real Neo Geo & Clicky D-Pad

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Neo Geo Mini Controller Mod for Real Neo Geo & Clicky D-Pad