What are some examples of figurative language used in Flannery O'Connor's short story A Good Man is Hard to Find? Why do you think the author used them?

Flanner
OConnor was known €“ justifiably €“ for a somewhat cynical perspective with respect to the
superficial judgments people make regarding the character of those they deem worthy or good. 
Her much-read short story established the template for cynicism regarding
people who render judgments based upon superficial characteristics like displays of proper
etiquette and presumed fealty to God.  A Good Man is Hard to Find is
entirely consistent with OConnors theme of paradoxical relationships between perceptions and
realities.  The Bible salesman in Good Country People is revealed as a con
man who conceals alcohol and condoms in his hollowed-out Bible, and the individual in
A Good Man is Hard to Find who best exemplifies the manners and fealty to
God most cherished by the storys main, the grandmother, is a stone-cold killer who has escaped
from prison and who will murder the grandmother just as the aforementioned Bible salesman
deceives Mrs....