The Sega Dreamcast is a great console with a controller that had some odd design choices made for it. The most confusing is the controller cable that exits the back of the controller and then attaches to a clip built into the bottom of the controller guiding to the front. This makes absolutely no sense.
The Dreamcast Controller Cable Clip attaches to the screws on the front of the controller to keep the cable firmly in place. You can yank and tug and the cable stays in place.
Print on one of the sides.
If you can't print this, I offer it for sale in my shop: https://retrofrog.net
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