Rapala SmartHub accessories simply slide over the top of the SmartHub connector and securely clicks in, giving you endless options to effortlessly interchange and adjust for your needs. Mount a single SmartHub independently on a flat surface in several locations around your wheelhouse to easily move accessories where convenient. The SmartHub also works with the Track System 16. Simply position the SmartHub anywhere along the track, turn the red center set screw clockwise to lock or counterclockwise to unlock position and you are ready to fish.