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.