As much as we'd like to control it 100%, you can't ... but remember that you can limit bad hook-ups by eliminating bait divers, don't go TOO small in your offerings and hook sizes (I know this can be a tough one when things get low and clear, but be prudent ... using what gets the most hook-ups is always not the best choice based on your intent of what to do with the fish), and be quick on your sets, I always have been anyhow, so I've never had too much trouble here, but I think it does help in minimizing mortality.