Videos Fishing Tip – Using Structure Scan to find walleyes on rocks S11E11 March 23, 2015December 10, 2017 The Next Bite Chase Parsons, Lowrance, Structure Scan, Trolling, Videos, Walleye Chase Parsons demonstrates why its beneficial to use Lowrance’s Structure Scan technology and not just sonar to locate walleyes relating to rocky structure. Other Related Posts: Using Side Scan in a River Try Fishing Shallow Rocks in The Fall For Walleyes Using a Lowrance GPS in a Duck Boat can Really Help… Using your Lowrance to Find Fall Walleye Structure