We just put Keel Guard on ours and it works great and is less money than the rest.
We got them to sponser our club so call David Shumway there and tell him i sent you...my name is Rodney Yavorsky from Bay Area Bassmasters...you can go to our web sight under "sponsers" and see for yourself. Actually you can get to his sight from ours by clicking on his icon on our page. bayareabassmasters.com
call me if you need to 727-946-0371