The Molix MF Football Jig is made with a tungsten composite, which is an environmentally safer material. It is also extremely sensible and durable. The MF Jig is made with a new Bi-Roundhead, studied to give this jig a unique action making it more versatile. These awesome jigs are equipped with a fine cut silicon skirt and a heavy duty weed-guard. The special hook design improves lure penetration.