Read the paragraph.
My brother Steven has wanted to drive ever since he was old enough to know what a car is. He
has no trouble steering, but his feet can't apply enough pressure to the gas pedal or the brake.
Do you know of a mechanism he could use to make a car completely hand controlled?
The root mechan means "machine." The suffix -ism means "act, practice, or process." Based
on this information, what does mechanism mean in the paragraph?