Boston Dynamics has shown its SpotMini robot doing a new trick: joining a robot army to pull a large vehicle that’s in neutral gear. Ten of them can work together to get the job done. This is building off of the small, four-legged robot’s repertoire of skills that includes picking up objects, opening doors, climbing stairs, and having eerily lifelike movement.
https://www.theverge.com/2019/4/16/18410899/boston-dynamics-spotmini-robot-haul-vehicles