I have the Bench Dog fences..
But not that one. This link has 8 reviews you might check out.
I like my fences they are strong and easy to secure with just turn knobs. The camlever lock is probably not a bad idea, once it's set to lock at the right height WRT to table. Sorry that's all I can offer..
The answer to your question will only be as detailed and specific as the question is detailed and specific. Good questions also include a sketch or a photo that illustrates your issue. (:< D)