Please do not try to snap them into the rails as this is not the correct way to install them. They are very stiff and need to be slid in from the end of the rail to work properly. A rat tail file can be used to open the tabs on the bars as they are very tight.
 
About this item
PACKAGE CONTENTS: You will receive 8 pieces black clips.

COMPATIBILITY: These clips are compatible with Undercover Tonneau prop rod.(After market part parts, designed and manufactured by us)

Due to non-original parts, there is a small chance that installation may not be perfectly suitable, but it can be installed normally with a little force.

NICE MATERIALS: This clip is made of PETG carbon fiber material, which is flexible and durable.