What do we know of the pointed-hat Saka (Scythians)?

The Saka (Scythians) were a large confederacy of nomadic people who inhabited Eurasia from Eastern Europe to Afghanistan. They were the forebears of many peoples in this part of Eurasia. One group of Saka wore a distinctive pointed hat. They were part of the Achaemenid Persian Empire, ruled as a satrap and paid tribute to the king. This source-based homework task is designed for students of the NSW Ancient History Syllabus for the Australian Curriculum
Higher School Certificate course
Historical Periods
Option D: Persia - Cyrus II to the Death of Darius III
It can also be used as part of
Historical Societies
Option D: Persian society at the time of Darius and Xerxes