One of the manufacturer recommended upgraded is to put non-skid material at the base of the dagger board case if the old out-door carpeting that was there needs replacing. I noticed that my outdoor carpeting there was already completely gone. Just a glue residue remaining. After a quick internet search I found some non-skid material that I could cut the required area.
The first order of business is to clean up the surface so the new material will have something good to stick to. I used some Goo Gone, a bunch of paper towels, and a lot of rubbing until the surface was totally clear of any sticky residue.
Then it was a simple process of putting the non-skid material into place.
This does hold the dagger board more securely in place with less wobble.