CineSkates for use with a GorillaPod Focus tripod, a ballhead, and any camera with a standard tripod mount that weighs less than 5 pounds. This package only includes CineSkates and a case. A GorillaPod Focus and a ballhead are REQUIRED and NOT included with this item. CineSkates are a set of three wheels that quickly attach to a tripod and enable fluid, rolling video in an ultra-portable package. Developed at the MIT Media Lab using state of the art skateboard technology, they "pull off sophisticated-looking camera moves with the nudge of a finger."