In typical YakAttack fashion, what started as an idea for a single offset RotoGrip Paddle Holder resulted in a product with more versatility than they could have imagined. While the DoubleHeader track mount has come available in multiple variations, it is now the foundation for a track-mounted offset holder for the YakAttack LeaderBoard.The LeaderBoard DoubleHeader is only compatible with the YakAttack LeaderBoard. The custom-designed LeaderBoard RotoGrips will not fit measuring/bump boards from other manufacturers.Like the DoubleHeader and its other variations, the LeaderBoard DoubleHeader offers the user a 3.5"offset from a single point of attachment so as not to tie up valuable track space or block the gunnel of your kayak, allowing for the full functionality of other accessories. As mentioned above, the redesigned RotoGrips featured on this DoubleHeader are unique to the shape of the LeaderBoard. Insert the underside of the LeaderBoard into the hooked side of the RotoGrip and ro...