I know what you are thinking. End caps. How do I add this simple but essential element to my railing project? What tools are necessary to secure this key element of my stainless steel ensemble? Ponder no further! It will take just 35 seconds to lay those terrible end cap secrets bare. Are you ready for this knowledge bomb to explode inside your brain-box? No, you are not. Watch anyway.
Spoiler alert: it involves a hammer.