Originally Posted by Team Laje Jonas
In the beginning we used the screws to minimize the play, but that is a old pic from a early pree production model. Now we mainly use O-rings or different types of ballcups.
If you are using standard side ballstuds, try the open-top ballcups from yokomo, ZC-207A, unfortunately only sold in pairs, but they have 0 slop, you will most likely have to pinch them to keep them from binding when new.