Filmtools is one of the best resources for cine equipment in the world. It is like a mini Home Depot for cine gear. They have everything in stock most of the time and it is always fun to troll through the parts they have there. This little demo video shows how they utilize the mini Matthews Gobo Head and Arm system that mates very well with HDSLR cameras. Some of the mini grip gear can get pricey, but it is well worth it.
Source: (Photo Cine News