They were so used to the master saying come on, let's go for a walk.

BBC

What I'd like to do is have a meeting whereby I'm sitting with the Republicans, sitting with the Democrats, sitting with health care experts, and let's just go through these bills -- their ideas, our ideas -- let's walk through them in a methodical way so that the American people can see and compare what makes the most sense.

WHITEHOUSE: The White House

The efficiency produces all the torque needed to let a 165-pound person walk, but with just a 30W to 60W motor versus SPARKy's 150W -- a big help to battery life that also reduces the AMP-Foot 2.0's weight to that of the fleshy kind.

ENGADGET: AMP-Foot 2.0 prosthesis gives the power of real feet, keeps a light step (video)