Using this Attwood rod holder is easy. First, attach the Combo Mount to your boat or fishing area. Then, place your casting or spinning rod into the holder. You can adjust the rod tip height by simply turning the large, easy - grip lock - nut. The 180 - degree vertical adjustment range gives you plenty of options. When you're done fishing, use the rapid release latch mechanism to quickly remove the rod. As for maintenance, keep the rod holder clean and dry. After each use, rinse it with fresh water to remove any salt or debris. Store it in a cool, dry place to extend its lifespan. Be careful not to over - tighten the lock - nut to avoid damage.