Sailing Solutions Daggerboard Pro Grip pack. PROGRIP is self adhesive and pre cut to shape to attach to the daggerboard bladdders. Progrip removes all the slop from the daggerboard area, meaning you no longer have to hold the daggerboard up at a certain place. It also prevents the daggerboard from getting scratched. Some boats may require two layers of progrip. Instructions supplied for if they are required. Please note that colour may vary from that shown in the picture. Typically, these will be supplied in either Blue, Black or Red.