An example apparatus includes a cable track that includes a first side and a second side that is opposite the first side. The apparatus further includes two or more spacers. The two or more spacers include respective first ends that are attached to the first side of the cable track and respective second ends that are opposite the respective first ends. The two or more spacers further include respective first surfaces between the respective first ends and the respective second ends and respective second surfaces that are opposite the respective first surfaces. The apparatus further includes two or more pins attached proximately to the respective second ends of the two or more spacers. The two or more pins protrude from the respective first surfaces of the two or more spacers and/or protrude from the respective second surfaces of the two or more spacers.