Atwitch at the controls could swerve the cat', but the
driver's hands could not twitch because the monster that
built the tractor, the monster that sent the tractor out, had
somehow got into the driver's hands, into his brain and
muscle, had goggled him and muzzled him- goggled his
mind, muzzled his speech, goggled his perception,
muzzled his protest.
which rhetorical technique does it best exemplify?