PANTHER MARTIN: 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. HIGH LAKE TROLL: This single hook rig is a favorite with live bait. Great for catching large lake trout and Kokanee. SWIMBAITS & RIGS: 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. PREMIUM QUALITY: 4 Convex/Concave Blades Spin Far Easier than Blades Using a Clevis. Flashing, Shimmering, Vibrating Action on the Blades is Irresistible to Many Kinds of Fish. Single Hook With Your Favorite Live Bait Catches the Fish. FISH SPECIES: Kokanee.