Dorothy's woodsman wore one, 6 letters
Doughboy's headgear, 6 letters
Foxhole headgear, slangily, 6 letters
G.I.'s headgear, slangily, 6 letters
G.I.'s helmet, slangily, 6 letters
Helmet for a soldier, 6 letters
Helmet from W.W. I or W.W. II, 6 letters
Helmet, in W.W. I slang, 6 letters
Soldier's helmet, in slang, 6 letters
Soldier's helmet, slangily, 6 letters
Steel helmet's ancestor, 6 letters
W.W. I helmet, informally, 6 letters
WWI headgear, informally, 6 letters
GIs' helmets, in slang, 7 letters
Oil field safety gear, 7 letters
Old-time soldiers' headgear, 7 letters
Soldiers' coverings, 7 letters
Soldiers' helmets, in slang, 7 letters
Cheap and insignificant, 7 letters
Pretentious gambler, 7 letters
Small potatoes player, 7 letters
Small-time dictator, e.g., 7 letters
High-roller wannabes, 8 letters
Small-time gamblers, 8 letters