Allows mounting on a flat surface or on the side of a gunnel or transom For all Scotty post mount rod holders To use the new Scotty lock-down mount system simply choose the best direction to fish from and insert the rod holder or accessory, pushing the post straight down into the mount Note: This mount is not compatible with our No. 132 Mounting Rivets, however it is compatible with No. 133 Well Nut Mounting Kits.