Originally Posted by
Michellesews
I use mine but they are to be placed ON TOP OF YOUR RULER to hold it in place, not in place of the ruler. I like it much better than the suction cup handles I tried before.
Actually no, they aren't meant to be used that way. A lot of people use it that way, and if it works for them, that's great, but according to the Quilter's Slidelock website they are meant to butt up against a ruler.