I've been playing SSBU for a long time and dreamed that the joysticks had octagonal gates. I've seen custom jobs on etsy but it cost $$. Eventually, the company decided to make a case mod at a cheaper price. The replacement was fairly easy, except that the included screwdriver ripped off the screw holding the left grip cover and almost ripped off the right one. So I have to destroy the left cover to get the screw out. Be sure to use your own precision screwdrivers if you have any. The fit is 98% accurate, the interchangeable grip panels don't quite sit flush with the rest of the back cover, leaving a small bulge. It doesn't seem to detract from overall comfort, just wants to point that out. In general, I am satisfied with the mod and recommend it to others.