The Spider Hitch Knot Big fish are brutal to anglers and tackle. A fisherman can be on a large fish for long periods of time, wearing down muscles, mind and tackle. At times these large game fish of the deep sea won’t give an inch and only bite on light line. When this happens the Spider Hitch is a great knot to know it can be used to tie loops in the line but, more importantly, when used as a double line leader this knot gives extra assurance when battling large game fish.