The Punch rig heads allow you to rig the soft lure for fishing deep and a with a more digging vibrating action, dragging the lure over the bottom with the stinger on the back. Punch the Rig head Thru the forehead of the lure and add your favourite stinger on the back or the belly of the lure, then lock with the matching split ring. Great for the Herring shads, Real Eels, Goby shads, River Roach etc.