Handy device that features four tools in one!One end is a line stripper for removing outer coating from coated braidsTension hook on opposite end to stripper, which is used for tightening knots and straightening stiff materialsAlso features small D-Rig spike for opening out and creating a neat D shapeAt opposite end to small D-Rig spike is a larger loop spike that allows you to create perfect loop on Chod and Hinged Stiff Rigs