Bottom Line Fish Finders 

& 

Cannon Downriggers!

If your looking for a depth finder, Bottom Line has a model for you.
Bottom Line's Sidefinder transducer technology and our Fish Finders will find fish below and on each side of your boat.
Digi Troll IV Designed for serious sport fishermen who demand the ultimate in downrigger technology. Digi-Troll IV is equipped with Positive Ions which allows you to attract more fish by creating a field of positive ions around your boat.