Crests and Roman Soldiers

[Gaius Colletti]

I was pondering the same question actually. If I may add another baseless conjecture, the Romans were very fashionable people. Just as all the Imperial helmets (excluding Gallic A) all had brass edging for no reason other than because it was in fashion, the little plume tunnel may just have been another part of the fashion, surely it isn't anymore work then adding the tunnel than it is the adding all the brass edging