Originally Posted by SC
Do you have a hot glue gun? I put a small dab of hot glue on the top & bottom of the back side of my ruler & absolutely no more slipping! And if you want to remove it, just peel it off. I have found this to be a great solution to the slipping problem. Good luck!
I do this too, only in thin strips down the ruler. I havent had a problem with slipping since. And I'm a heavy pusher.