What is this?

[Park Edwards]

Was curious when I saw this video. This is some kind of camera operator working on a Jay-Z video.

 

[Darren Levine]

that'd be an easyrig, or a variant of one at least

http://www.bhphotovideo.com/c/product/443395-REG/Easyrig_ERIG_TURTLE_X_Turtle_X_Camera_Support.html

 

[Park Edwards]

many thanks