21.   You could count the ticket-selling reviews on the toes of one flat foot.

22.   He avoided the Vietnam War because he had flat feet.

23.   Symptoms can include an indented or protruding chest bone, curvature of the spine, flat feet, nearsightedness and dislocated lenses.

24.   With his foot flat on the throttle, one flick of the gearchange lever would send the car roaring off the line.