The most common cause of damage is not tightening your cam handles correctly. 

Please see the link below for an easy guide on how to complete your installation, step by step:

https://www.youtube.com/watch?v=NPYZaPobqFc

Please see our steps below that you can follow with the video:

• Tighten the fabric when the AFK is in position
• Position the awning fabric in the clamps
• When the fabric is in the position, close the clamps
• Tighten the awning fabric by winding back slightly if required
• Remember to only tighten the clamps after you close them
• It's important to close the clamps before tightening