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.
The ones I have seen were cannelured and crimped. Not sure if all are. It is easy to add a cannelure yourself if you have the right tool. Factories can do it as part of the process of loading.