If they dive with a fish on you are fighting the fish wrong. With a fish on and the board in the water the rod MUST be held parallel to the water until the board is close enough to be lifted out of the water. If a board should dive, typically at the end of a long run, simply put your thumb on the spool and freespool it. The board will keep the line tight on the fish and will pop up within 30 seconds or so. Sent from my iPhone using Lake Ontario United