Northland Tackle Impulse Jig Crawler Bait, Natural, 3-Inch The Impulse Jig Crawler is the finesse jig-worm fisherman's favorite Most Versatile Multi-Species Jig Worm Today Excite The Bite With Scent, Color & Action Wafer-Thin Ribbed Body The worms are super-charged with IMPULSE Instinctual Attractant