Those are rubber grommets. They’ll protect cables from wearing on metal that pass through the case.
Likely for things with hard wired controllers, like fan controllers or led lighting. You can hang the controller outside of the case in the back where nobody will see it.
Those are rubber grommets. They’ll protect cables from wearing on metal that pass through the case.
Likely for things with hard wired controllers, like fan controllers or led lighting. You can hang the controller outside of the case in the back where nobody will see it.