Undergraduate customs and traditions had solidified by the 1930s. The sophomores lorded over the freshman, making them wear little green caps, As the college historian notes:

It was one of the inseparable parts of college life, as important as football games, dances, fraternities, sororities, and other activities.[1]
  1. ^ George R. Lee, Culver-Stockton College: The First 130 Years (1984) p 106