When walleye, bass, and jumbo panfish put on their finicky act, it often takes a special treat to turn them on. Enter Northland’s new Rumble Bug, a 4-cm (1.57-inch) bite-sized balsa body diving plug with a small profile, tight wiggle, and the ability to take advantage of multi-species opportunities when cast or trolled around weed lines, hard structure and other cover. It especially excels at tempting walleye in deep water when presented on lead-core line. “This little puppy will catch…