Tripod Wheel Triangle Need Help Remember Name Of This Triangle Camera Tripod Thing...?

Need help remember name of this Triangle Camera Tripod thing...? - tripod wheel triangle

I remember a time before and this product is ideal for outbreaks of high-end video. In the movie mounted camera on a tripod head rotation model a low profile "Scooter" triangle-type search. It has three wheels at each corner of the triangle. Then, adjust the wheel to rotate specific degrees to a point. Then you can simply get into the back room and to the point.

This is a description of this product blade haha.
Im sorry, but I was 17 when I saw them, now im 21 has

Thank you for your help!
Brad --