He uses a cheap wire tomato cage inside a 1 gallon pot with the tines poked through the drainage holes and wrapped back up to secure the cage to the pot, and then he hangs the cage onto chains attached to the ceiling with s-hooks.
That probably didn't make sense so check out the video:
How clever is that?
In other news, I decided to search for "tropical vine exotic flower pink white yellow" on Google Images and discovered that the mystery vine is Afgekia sericea, which is indeed in the pea family (Faboideae / Leguminosae / Papilionaceae) as Randy Emmitt of Randy & Meg's Garden Paradise suspected. What would I do without you, Google?