I'm not only replying I am pretty stoked for this! I myself use a large bottle brush to clean my carboy and it's a pain in the ass. This Carboy Cleaner looks awesome and is surely more efficient than my tool and method. And bettering efficiency in homebrewing is a constant goal of mine...
You WANT to post the link. If people watch the video embedded we don't get hits for it. We had 833 views so far on facxebook.. that would have made us first.. but only 335 went to see it on youtube :(