Thousands of years ago, before Christians could practice their faith legally, they often faced persecution from the Roman government. If captured, however, a suspected Christian could avoid punishment by performing a simple sacrifice dedicated to the emperor.
To stay on the authority's good side, some Christians crossed their fingers (a concealed symbol of their true allegiance to Jesus) and complied with the government's request. They rationalized that a coerced physical action didn't compromise their true belief.-- More...