The feet just sit with point of screw on feet. Very easy to loose the feet because they are not attached to the screw. But does it stop the slide of the rest on very hard surfaces? Oh yes and easy to level off the rest. I do think they are to expensive for what they are but work well.
Pros: Easy to install and stops the rest from sliding
Cons: The rest sits on the feet not in the feet
This review was written in the old system and had content requirements that are different than reviews written today.