[He gets one leg up on the base of the chair, on one of the plastic starfish arms that point out from the center - leans forward again, so most of his weight's on the chair back, and propels them forward like he's riding a skateboard. Spoilers: metal legs provide quite a bit of propulsive force, it turns out.]

[They loop out and around - circle the room at a breakneck pace that narrowly avoids hitting any ill-placed pedestrians.]

[At last they skid to the stop by the closet, though, Hurricane planting both heels until they roll to a stand-still.]