Here is the best Shaped marlin spike in the form of a polished metal cone tapered to a rounded or flattened point, the marlin spike aids in such tasks as inlaying rope for splicing, untying knots, drawing marline tight using a marlinspike hitch, and as a toggle joining ropes under tension in a belaying pin splice.Titanium Marlin Spike. Titanium marlin spike knife are useful for tying / untying certain knots, rope splicing, or sewing.Colonial Knife's Marlin Spike Knife for knots The press-lock is a common blade release for marlinespike folders that dates back to the CAP-MARLIN SPIKE. Captain Curry. Stainless Steel Marlin Spike knife Handy shackle key in the handle. Get best outlet Stainless Steel Splicing Fid Spike with Wood Handle.Made of 304-grade Stainless Steel, and Sanded Smooth Handle.Titanium Marlin Spike knife Titanium marlin spike knife are useful for tying / untying certain knots, rope splicing or sewing.Find best deal at our store.