npub18994crjwnldrukwym5lz3y2nae84s84v20m2rkngtjnyg549lr6qvxmd6m (npub1899…md6m) here is the video, basically a stick mounted on the back and with the 360 effect it's pretty cool, it is like a drone is following you around
https://www.youtube.com/v/61-VoW2UQNk?version=3&vq=hd720