Check the listing for details. Gardner Stiff Ultra Skin. Condition: New. Listed at 25.30 USD. A key technical advantage of a stiff hooklink is the fact that it enhances the all important rig reaction speed as the pivot point is set rigidly at the nearest supple point to the hook end of the hooklink (this is the start of the stripped portion or a broken skin hinge point in a Stiff Ultra Skin hooklink). This amazing material offers this key rigidity without compromising knot strength or affecting the manner in which knots are formed. Essentially, this means that the skin does not rupture when pulled down tight on a well tied ‘figure of 8’ Loop Knot. In real angling terms we recommend that you choose Stiff Ultra Skin in circumstances where you are confident the lakebed is clear of debris and relatively flat so it does not kick up. This means that ‘clean’ silt, clay patches, sand and g.