I have just uploaded Hoya Trellising 101 Part One: Bamboo Hoops to You Tube.  If you have been growing Hoyas for a while, I doubt you will learn anything here, but if you are fairly new to it, you may pick up a few tips.  It is the first, in what I hope to be a trilogy of trellising videos.  The next one will be working with wire.  Here is the link:  http://youtu.be/GbsPLGFYKoo