Panther Martin Trolls are an effective fish attractors due to the eye-popping holographic colors and unique spinning, vibrating action of the convex/concave blades. This single hook rig is a favorite with live bait. Great for catching large lake trout and Kokanee. Using unique Panther Martin Spinning Blades with the line running directly through the blades, these lake trolls are simply the most effective trolls on the market.