Check the listing for details. Aftco Flatline Clip. Color: Black, Condition: New. Listed at 42.99 USD. Aftco Flatline Clip | Black | The AFTCO Flat Line Clip, with a 135-lb. coated stainless steel cable and heavy duty snap-swivel attached, can be rigged from the stern of the boat to put trolling lines into the water at a lower angle, helping to minimize the tangling that might otherwise occur when trolling with multiple lines, and keep your lures running below the surface for better action. Once the clip's tension is set, our precision-engineered latching system releases your line repeatedly at exactly the same pull to assure fewer missed strikes and less broken lines. Featured is AFTCO's legendary "roller guide action", where trolling lines roll smoothly over a polished stainless steel roller that turns right with the line - virtually eliminating friction and fraying. Your line remains str.