Examples:

• Are you calling me a cheater? Well, if the shoe fits, wear it.
• I know you don't like being called unreliable, but if the shoes fits, wear it.
• Eddie has always been a very compulsive person but he will never admit it. I told him if the cap fits he ought to wear it.
• I did not say that Mr. Neel was a crook. But if the shoe fits..