While you are on the site, in your browser find and click "Add to Home Screen" A CGN beaver app icon will then be created to your phone that is directly link to the site.
Note: This feature may not be available in some browsers.
You need to remove the slide to see the second screw. It is used to adjust the amount of take up on the trigger. If you set it too tight, you will have problems with the reset of the trigger.