Movement of the Sonic BaitFish depends on which of three options an angler uses to attach it to his line. The lure can be cast, swam, jigged or trolled. It is effective year around including being jigged through the ice. Few other lures if any provide the ability to dramatically vary your approach and the versatility to fish in so many situations.
Remember to rig in the various ways so to entice the most fish, including changing the hooks out to match the situation.