NEEWER Tabletop Mobile Rolling Slider Dolly Car Skater Video Track Rail for Speedlite DSLR Camera Camcorder Rig (Black) This mobile dolly is designed to help you create more dynamic shots on flat surfaces like on table, ground, etc. Adding cool video to your digital skill set. Make it easy for you to do your own creative projects using a hand-held HD camcorder, video-ready DSLR, or professional video camera.