Step 1 : Introduction to the question "Which nation's flag includes the head of Medusa and three legs bent at the knee?"
...Sicily boasts a rich history steeped in mythical stories. The country's official logo is a head, most likely female, surrounded by three legs bent at the knee. This symbol is the Trinacria or Triseklion. Historians believe it is symbolic of a myth about three nymphs who danced around the world, gather the best fruits, stones and soil. They threw these ingredients together to form Sicily. The flag of Siciliy features the head of Medusa surrounded by the three legs bent at the knee. Source: WishSicily.com