The Dana Dolly is a super-slick small portable dolly system. It provides a stable platform so the camera can ride on speedrail of any length, creating a quick and easy means to achieve smooth horizontal camera movement without a full-size dolly or dolly grip.
I own the following:
Dana Dolly system with Universal track ends
Custom T low track supports
Matthews slider stands (extra low-boy jr.)
Double-riser junior stands