Check out this cool DIY tripod arm attachment dubbed “The Sphere Arm” that can help you rotate around your small subject with ease (and on the cheap!) while keeping the camera focused. If you are looking to shoot tiny subjects such as insects or products like jewelry, this will make your footage a lot more interesting. Bonus: Includes video macro rotation shot results at the end.
If you are really intrigued by this contraption, be sure to check out this discussion on DVInfo.net forums.