Don't know about "shooting" docks, but I fish a lot with a slip cork. The water I fish is clear and you have to stay back from the docks. So, use that slip cork and work your bait or jig. You can keep your bait in the right spot and work it.
Must learn to watch that cork. Sometimes they will just move it or lift the bait and the cork just changes the way it sits. They don't alway pull it under.